American School of Madrid vs Colegio Base

	A American School of Madrid Madrid, Spain	C Colegio Base Madrid, Spain
Snapshot	Snapshot
Fees / year	Fees / year €11,593 - 23,878	Fees / year €6,813 - 14,312
Age range	Age range 3 - 18 years	Age range 1 - 18 years
Type	Type Co-educational	Type Co-educational
Curriculum	Curriculum American Curriculum	Curriculum American Curriculum, Bespoke Curriculum, British Curriculum
Pupils	Pupils 1,045	Pupils 685
Typical class size	Typical class size 25	Typical class size 19
Instruction language	Instruction language English	Instruction language Spanish, English
Opened	Opened 1961	Opened 1962
Bus service	Bus service Yes	Bus service Yes
Essentials	Essentials
Location	Location Pozuelo de Alarcón, Madrid, Spain. The campus is located at Calle América 3, Pozuelo de Alarcón 28224, Madrid. Pozuelo is part of the Madrid metropolitan area.	Location The Base International School is located on a multi-building campus in La Moraleja, Alcobendas, Madrid, Spain. The campus sits in La Moraleja, one of the greenest and most peaceful areas of Alcobendas, far from the noise and congestion of the city. The street address is C. del Camino Ancho, 10, 28109 Alcobendas, Madrid.
Stages	Stages Lower School (ages 3-11), Middle School (Grades 6-8, ages 11-14), Upper School (Grades 9-12, ages 14-18). The Upper School includes the IB Diploma Programme.	Stages Preschool (1–6 years old); Primary (6–12 years old); Secondary (12–16 years old); National Baccalaureate (16–18 years old); International Baccalaureate (16–18 years old).
School type	School type not-for-profit private international day school with an American curriculum	School type Private, international school. Base International School is part of Affinitas Education, a network of bilingual and international schools.
Pupil nationality mix	Pupil nationality mix One third American, one third Spanish, and one third of students from around 60 other countries.	Pupil nationality mix 30 nationalities represented in the school.
Additional learning support	Additional learning support The Learning Support team provides services across the K-12 spectrum, including English Language Acquisition, Reading, Writing, Math, and Executive Function. Documentation is required during admissions to determine whether ASM can support a child's learning and well-being; some students requiring substantial academic or social-emotional support may not be accepted into Grades 6-12.	Additional learning support A Guidance and psychopedagogy department supports learning and personal development, offering speech therapy, academic and career guidance, and emotional support from Preschool through Bachillerato. The school focuses on prevention, assessment, and addressing any learning or developmental needs.
Country affiliation	Country affiliation United States	Country affiliation Spain
Religious affiliation	Religious affiliation —	Religious affiliation —
School day structure	School day structure —	School day structure Extended hours are available in the morning and afternoon: 7:30–9:30 and 17:00–18:30, depending on the stage.
Bus service details	Bus service details ASM offers a private bus service provided by Grupo Chapin with 13 routes across Central Madrid, Pozuelo, Aravaca, Majadahonda. It is not door-to-door; bus stops are designated for safeguarding; the ASM Business Office coordinates routes and a bus-tracking app is available; bus monitors are on every bus; contact bus@asmadrid.es for routes and payments.	Bus service details School transport across Madrid operates on 19 bus routes reaching areas such as Chamartín, Chamberí, Salamanca, Arturo Soria, Sanchinarro, Tres Cantos, and Pozuelo. SMS notifications are sent in case of incidents, and students are accompanied safely from their front door to the classroom.
Fees	Fees
Fee details	Fee details Application fees - Preliminary application fee: EUR 250.00 (one-time, non-refundable). - Registration fee (paid upon admittance): EUR 2,000.00 (non-refundable; credited toward tuition). - Matriculation (re-enrollment) fee (payable in spring to reserve a place for the following year): EUR 950.00 (non-refundable). Tuition fees — Private (family pays; Academic year 2025–2026) - Early years / K1–K2: Semester EUR 5,796.50 (payable September and February); Annual EUR 11,593.00. - K3: Semester EUR 6,025.00 (payable September and February); Annual EUR 12,050.00. - Grade 1–2: Semester EUR 8,133.50 (payable September and February); Annual EUR 16,267.00. - Grade 3–5: Semester EUR 9,131.50 (payable September and February); Annual EUR 18,263.00. - Grade 6–8: Semester EUR 11,069.00 (payable September and February); Annual EUR 22,138.00. - Grade 9–12: Semester EUR 11,939.00 (payable September and February); Annual EUR 23,878.00. Tuition fees — Corporate (employer pays; Academic year 2025–2026) - Early years / K1–K2: Semester EUR 8,363.00; Annual EUR 16,726.00. - K3: Semester EUR 8,526.50; Annual EUR 17,053.00. - Grade 1–2: Semester EUR 11,555.00; Annual EUR 23,110.00. - Grade 3–5: Semester EUR 12,979.00; Annual EUR 25,959.00. - Grade 6–8: Semester EUR 15,460.50; Annual EUR 30,921.00. - Grade 9–12: Semester EUR 15,798.00; Annual EUR 31,596.00. Capital fee and family discounts - Capital fee (one-time, non-refundable): Private enrolment (Grades K3–12) EUR 6,000.00 per student; Corporate enrolment EUR 8,100.00 per student. - Family plan: 10% reduction on tuition and capital fee for the third child from the same family; 20% reduction for each additional child thereafter (applies to both tuition and one-time capital fee). Billing schedule and payment terms - Payment frequency options: annual payment, semester payment, or monthly installments. - Administrative service charge: a 4% per semester administrative service charge is added if tuition is paid by monthly installments. - Semester billing dates: semester payments are payable in September and February (semester amounts shown above are payable on those dates). - Proration: charges are prorated for families joining during the school year. - Currency: payments are accepted in Euros (EUR) or in U.S. Dollars (USD) using the prevailing exchange rate. Optional fees and other costs - Cafeteria: daily cost EUR 9.35; billed at the end of each month for actual meals/snacks consumed. - Bus service with monitors: Per semester EUR 1,162.00; Annual EUR 2,324.00. - Spirit wear / school clothing: optional spirit wear is available for purchase through the school's spirit wear provider; purchases are optional and charged separately. - Additional optional charges: certain after-school activities, trips, or specific programs may carry extra fees; such additional charges are invoiced as applicable. Refund information and withdrawal policy - Each semester is treated as 150 calendar days for refund calculation. Refund of tuition when a student withdraws after classes begin is determined by days enrolled within that semester as follows: 1–5 days enrolled: 78% refund; 6–20 days: 70% refund; 21–35 days: 55% refund; 36–50 days: 38% refund; 51–65 days: 22% refund; 66–80 days: 10% refund; 80 days and over: 0% refund. - Additional fees are not covered by this tuition refund schedule and are not refundable. - Bus service: a full refund is made on the unused portion of the bus service charge based on the number of calendar days remaining in the semester after withdrawal. Boarding fees - Boarding fees: Not applicable. The American School of Madrid is a non-profit K–12 co-educational day school and does not operate a boarding program. Fee payment options (channels and practical notes) - Payment channels such as specific acceptance of credit card, online payment portal, or bank transfer are not itemized in this fee summary; payments may be made in EUR or USD and may be scheduled annually, by semester, or monthly (monthly payments incur the administrative service charge noted above). For billing and method details, families should follow the school's invoicing instructions when completing registration and enrollment.	Fee details Application & reservation fees - Initial enrolment (one‑time, paid at first registration; non‑refundable and not deductible): - EUR 600 (Infant) - EUR 720 (Primary) - EUR 730 (Secondary) - EUR 730 (Bachillerato). - Reservation of place for returning families (one‑time; invoiced in mid‑May; not refundable): EUR 630. Tuition fees (monthly; escolaridad — billed per month) Notes: the published monthly amounts are divided into ten monthly payments (September to June) for most year groups; 2º Bachillerato (Spanish and IB) is billed over nine monthly payments (September to May). All amounts below are shown as monthly fees. - Infant (full day): EUR 630 per month. - Infant (morning schedule only): EUR 490 per month (available only for children in the first cycle of Infant—ages 1–2). - Primary: - Years 1–2 Primary: EUR 800 per month. - Years 3–4 Primary: EUR 820 per month. - Years 5–6 Primary: EUR 830 per month. - Secondary (ESO): - Years 1–2 ESO: EUR 890 per month. - Years 3–4 ESO: EUR 910 per month. - Bachillerato (National route): - 1º Bachillerato Nacional: EUR 1,030 per month. - 2º Bachillerato Nacional: EUR 1,145 per month (billed over nine months: September to May). - International Baccalaureate (IB Diploma Programme): - 1º IB (Programme Year 1): EUR 1,300 per month. - 2º IB (Programme Year 2): EUR 1,445 per month (billed over nine months: September to May). Billing schedule and payment terms - Annual tuition is normally divided into ten equal monthly instalments (September through June) for each billed concept. 2º Bachillerato (both Spanish and IB) is divided into nine monthly instalments (September through May). - Reservation of place for the next academic year is invoiced in mid‑May; the reservation amount is returned in September to families who continue at the school; families who do not notify non‑renewal by the stated deadline may forfeit the reservation/refund or be charged the September instalment as set out in the school's enrolment terms. - The initial enrolment fee (matrícula) is paid once at first registration and is non‑refundable and not deductible from future fees. Boarding fees - Boarding is not offered / no boarding fees are listed in the school's published fee schedule. Other services and additional fees - School meals and catering: - Half‑board (meal plus snack): EUR 245 per month. - Single day meal: EUR 20 per occasion. - Bachillerato (meal and snack — 2 days per week): EUR 125 per month. - Snack / bocadillo: EUR 45 per month. - Extended hours (7:30–9:00 and 17:00–18:30): provided free of charge for Infant and for the rest of the stages (as published). - School transport (bus): - Regular transport (1 route): EUR 150 per month. - Transport (2 routes): EUR 235 per month. - Bachillerato transport: EUR 100 per month (1 route) / EUR 150 per month (2 routes). - Special‑zone transport: EUR 110 per month (1 route) / EUR 150 per month (2 routes). - Other one‑off or annual costs: - Psychological report (when required by the school's protocols): EUR 100. - Annual medical check / recognition: EUR 68. - Annual school accident insurance and healthcare service: EUR 107 (per annum, all courses). - Graduation photograph (class photo/orla): EUR 25. - Yearbook: EUR 50. - Sibling registration fees / concessions: - Matriculation for the second sibling: EUR 400 (second‑child registration fee). - Matriculation for the third and subsequent siblings: published as exempt / free from the matriculation fee (as indicated in the school's fee schedule). Refund information - The initial enrolment fee (matrícula) is explicitly non‑refundable and not deductible. - The reservation fee charged in mid‑May for returning families is non‑refundable if the family does not notify non‑renewal within the published deadline; for families who continue, the reservation amount is refunded in September (per the published enrolment terms and deadlines). Fee payment options - The school's published fee schedule and prices document lists fees, billing periods and non‑refund rules but does not specify public details of accepted payment methods (for example: bank transfer, direct debit, or card payment) within the fee schedule itself. For payment method arrangements and to confirm available payment channels, contact the school's admissions or finance office directly.
Diving deeper	Diving deeper
Boarding arrangements	Boarding arrangements No boarding facilities; ASM is a day school.	Boarding arrangements —
Uniform requirement	Uniform requirement Uniforms are required for K1-K3. PE uniforms are required for Grades 6-10. Uniforms can be purchased through the school's vendor.	Uniform requirement Uniforms are not required; the school has no uniform policy.
Food options	Food options The cafeteria offers a Mediterranean-diet-based lunch menu designed by experienced dieticians. The program sources ingredients locally from ecological-certified and fair-trade suppliers. High-sugar drinks and fried foods are eliminated or reduced to promote healthier options.	Food options The school operates its own canteen, with meals prepared on-site by staff using carefully selected raw materials. Menus are designed by a nutrition specialist. For infants to 3rd Primary, meals are served at the tables, while from 4th Primary onwards, meals are self-service with daily options. Dietary needs are accommodated and allergen information is shared with families.
House system	House system —	House system —
Governance and ownership	Governance and ownership ASM is a not-for-profit organization established in 1961. It is governed by a diverse, self-perpetuating Board of Trustees.	Governance and ownership Base International School is part of Affinitas Education, an international group of bilingual and international schools. Affinitas provides resources, training, and an international network while preserving each school's identity.
Academics	Academics
Curriculum details	Curriculum details The school is a K-12 independent school with an American curriculum. It offers the US High School Diploma, the International Baccalaureate Diploma, and the Titulo de Bachillerato. The Upper School follows the International Baccalaureate Diploma Programme (IB DP).	Curriculum details Base International School offers Preschool, Primary, Secondary (ESO), and High School through either the Spanish Bachillerato or the International Baccalaureate Diploma Programme. The school provides an international curriculum that fosters critical thinking and global awareness, with a student-centered approach and small class sizes. From Year 10 (4º ESO), Base implements an Academic and Career Guidance Plan to help students identify interests, choose the most suitable Bachillerato, and plan university pathways. The campus in La Moraleja, Alcobendas hosts dedicated facilities for each stage, including sports, theatre, art, and an on-site dining hall. Extracurricular activities include robotics and programming in English. Base is part of Affinitas Education, an international network of bilingual and international schools.
Student teacher ratio	Student teacher ratio —	Student teacher ratio Small class sizes.
Exam results	Exam results IB results May 2025: average total points 34.5; World average 30.6; Diploma pass rates: World Diploma pass rate 83.30%, ASM Diploma pass rate 96.8%; Diplomas Awarded 93.30%.	Exam results 100% pass rate in EvAU (university entrance exams) 2024. EvAU average score is 8.25. 30 nationalities represented in the school. Highest EvAU score achieved is 13.475 (out of 14).
Higher education progression	Higher education progression Between 2021 and 2025, 56% of seniors were admitted to Top 100 Universities in the world (QS World University Rankings). The Class of 2025 had 67 acceptances to Top 100 Universities worldwide and 123 acceptances to Top 100 U.S. Universities.	Higher education progression Base students are admitted to leading universities worldwide. Common fields of study include Engineering, Sciences, Economics, International Relations, Law, and creative disciplines.
Gifted and talented	Gifted and talented —	Gifted and talented Base provides personalised support to help each student develop their talents. A Guidance and Psychopedagogy Department supports learning and personal development from Preschool through Bachillerato, including academic and career guidance. Extracurriculars span athletics, arts, and technology to foster student talents.
Academic calendar	Academic calendar —	Academic calendar —
Wellbeing & support	Wellbeing & support
Social & emotional learning	Social & emotional learning ASM provides social-emotional learning through the Learning Support Team, which ensures educational equity and continuity across the divisions. The team supports, guides, and teaches students to reach their full potential with services for different learning needs. Learning Support programs emphasize growth mindset and resilience. Staff collaborate with students, parents, teachers, counselors, and administrators to support student growth across the K-12 spectrum. English Language Acquisition, Reading, Writing, Math, and Executive Function Skills are included among the services for students who require additional support. Admission decisions for Middle and Upper School consider whether ASM can meet the student's social-emotional and academic support needs, and documentation such as an IEP or 504 plan may be requested.	Social & emotional learning Base prioritizes emotional and social education as a core part of its values-driven approach, ensuring students receive a well-rounded, holistic education. An active safeguarding culture is in place, with staff trained to identify and respond to concerns. The school upholds respect, inclusion, and zero tolerance for bullying, celebrating diversity. Clear child-protection policies exist, led by a Safeguarding Coordinator who is available to students, families, and staff. Safer recruitment practices are followed to ensure every adult working with students is thoroughly vetted.
Special educational needs (SEN)	Special educational needs (SEN) ASM provides Learning Support for students with different learning needs across the K-12 divisions. The program focuses on educational equity and continuity and includes support for English Language Acquisition, Reading, Writing, Math, and Executive Function Skills. Students who require substantial academic and/or social-emotional support and program modification are not accepted into Grades 6-12; admissions reviews determine whether ASM can provide the necessary level of support. Documentation such as Individualized Education Plans (IEPs), educational evaluation reports, 504 plans, and medical or psychological reports may be requested during the admissions process. ASM collaborates with families, teachers, and counselors to determine appropriate supports.	Special educational needs (SEN) Base operates a Guidance and psychopedagogy department that supports learning and personal development. The department offers speech therapy, academic and career guidance, and emotional support from Preschool through Bachillerato. Our work focuses on prevention, assessment, and attending to any learning or developmental needs. This structure ensures students receive targeted support within an inclusive school community. The emphasis is on providing individualized strategies while maintaining a cohesive school experience.
English as an additional language	English as an additional language English Language Acquisition (EAL) is provided within ASM's Learning Support framework for students who need language development support. EAL services are integrated across Lower, Middle, and Upper School as part of the school's approach to inclusive education. The Learning Support team offers EAL alongside Reading, Writing, Math, and Executive Function support to help students access the curriculum. The admissions process and ongoing assessments consider language needs to determine appropriate placement and supports. This reflects ASM's multilingual and inclusive approach.	English as an additional language Base is part of Affinitas, an international network of bilingual and international schools. Affinitas represents a bilingual environment and global approach. Base offers activities in English, including robotics and programming. Campus visits can be arranged in English.
Mental wellbeing	Mental wellbeing Well-being is valued and supported for every student. The aim is to cultivate a growth mindset and to support cognitive, social, emotional, and physical well-being as part of a holistic education. Mindfulness, empathy, and self-reflection are encouraged as skills to help students connect with themselves and others. The Health Services page highlights Well Being and Mental Health as central to student success and provides programs to promote happiness and resilience. The school integrates mental health provisions into daily life and student support.	Mental wellbeing Wellbeing comes first, always. An active safeguarding culture is in place, with staff trained to identify and respond to concerns. The school upholds respect, inclusion, and zero tolerance for bullying. Clear policies and an accessible safeguarding team support student wellbeing. The Safeguarding Coordinator is available to students, families, and staff.
Safeguarding	Safeguarding ASM maintains strong child protection policies and procedures to maintain a safe and secure environment for all students. The school emphasizes safeguarding as part of international best practice. A Whistleblowing Channel is available for reporting concerns. Safeguarding efforts focus on positive relationships and safe school life to protect students.	Safeguarding Base maintains clear child-protection protocols led by a Safeguarding Coordinator. Staff receive training to identify and respond to safeguarding concerns. There is an accessible safeguarding team for students, families, and staff. The school promotes a culture of protection and duty of care. Safer recruitment practices ensure all adults working with students are thoroughly vetted.
Safeguarding policy	Safeguarding policy —	Safeguarding policy —
Facilities	Facilities
Facilities overview	Facilities overview The school sits on an 11-acre campus in Pozuelo de Alarcón, just 10 km from Madrid's city center. A zero-energy Middle School building opened in 2021, focusing on connection, community, visibility, and movement, and in early 2023 Don Quijote Park opened as part of the Lower School Play Landscape. The campus includes a Center for the Arts with a 600-seat auditorium, art, music and drama spaces, and a Black Box Theatre. The Upper School houses a Learning Commons, a cafeteria, an Athletics Complex and the Center for the Sciences, plus an Innovation, Design, and Education Hub that features a Robotics lab and the Da Vinci Space. Outdoor facilities include an all-weather track, a turf soccer field, the ASM garden, and multiple fields including a six-a-side soccer and baseball field, along with Don Quijote Park and the Play Landscape.	Facilities overview Each educational stage has its own building and dedicated outdoor area, designed for the needs of its students. The campus is located in La Moraleja, Alcobendas, a green and peaceful area far from the noise and congestion of the city. From the moment you arrive, you can feel the fresh air, the open spaces, and an environment that is safe, spacious, and full of natural light. The facilities include bright classrooms, small class sizes, extensive sports facilities with multiple courts, a swimming pool, a theatre, art rooms, a radio studio, our own dining hall with an in-house kitchen, and a dedicated work area for families. Everything is designed so that students, teachers, and parents feel part of an open and active community.
Sports facilities	Sports facilities The Athletics Complex and Center for the Sciences support sports and physical education with a Gymnasium, a fitness and weights room, and a health and yoga room. Outdoor facilities include an all-weather track and a turf soccer field. There are six-a-side soccer and baseball fields for team play. The outdoor campus also features Don Quijote Park and the ASM garden, which provide space for outdoor recreation and events.	Sports facilities Extensive sports facilities with multiple courts. A swimming pool is available for aquatic activities. The campus supports a wide range of physical education and sports programs with well-equipped spaces for practice and competition.
Academic facilities	Academic facilities The Middle School occupies a zero-energy building with modern science labs that support inquiry-based STEM learning. The Center for the Arts brings together art, music and drama spaces, including a drama classroom, a Black Box Theatre, and a 600-seat auditorium for performances. The Upper School includes a Learning Commons, a cafeteria, and a Center for the Sciences, along with the ASM Innovation, Design, and Education Hub that houses a Robotics lab and the Da Vinci Space. The Lower School features its own Learning Commons and purpose-built spaces for early childhood education. Outdoor spaces include Don Quijote Park as part of the campus's learning landscape.	Academic facilities Bright classrooms and small class sizes. Specialist spaces include a theatre, art rooms, and a radio studio. The campus also features an on-site dining hall with an in-house kitchen and a dedicated work area for families to engage with learning.
Extra curricular facilities	Extra curricular facilities After-School Activities and School Clubs are offered across the ASM campus. The Summer Camp in English provides programming outside the school day. The Center for the Arts supports extracurricular arts with dedicated art, music and drama spaces, plus a Black Box Theatre. The ASM Innovation, Design, and Education Hub houses a Robotics lab and the Da Vinci Space for student projects and competitions. Outdoor spaces including Don Quijote Park, the Don Quijote Park Play Landscape, and the ASM garden support outdoor recreation and informal learning opportunities.	Extra curricular facilities Swimming, football, advanced football training, judo, rhythmic gymnastics, athletics, basketball, volleyball, skating, modern dance, art, theatre, choir, music initiation, cooking, chess, and robotics and programming in English.
Parent experience	Parent experience
History	History ASM was founded in 1961 by a group of American expatriates who opened a school for their children in downtown Madrid. It has grown over more than 60 years and has ambitious plans for the future.	History —
Community	Community ASM hosts many events and activities to welcome families and build lasting connections, including the Welcome Family Picnic, the ASM Halloween Festival, and the ASM InterFest. The ASM Family and Friends group (ASM F&F) is a vital part of the community, with 70+ volunteers supporting event planning, decoration, stands, food, entertainment, and off-campus gatherings. The school also maintains an alumni network with an alumni portal for reunions and homecomings.	Community Base International School offers a welcoming, family-like atmosphere with an international curriculum that fosters critical thinking and global awareness. The student-centered approach promotes multicultural interaction, creating a global community that supports social and personal development. Each educational stage has its own building and dedicated outdoor space, and the campus includes bright classrooms, a theatre, extensive sports facilities, a library, and an on-site dining hall to support daily life on campus. Extracurricular activities, including robotics and programming in English, extend learning beyond the classroom.
Parent teacher association	Parent teacher association ASM's parent community is organized through the ASM Family and Friends group (ASM F&F), a vital part of the connected community. ASM F&F is involved in school events and social activities to welcome families and keep them connected throughout the year. Over 70 volunteers support ASM F&F in areas such as event planning and decoration, manning stands, cooking, entertainment, and coordinating off- and on-campus gatherings. The school hosts Welcome Family Picnic, Halloween Festival, and InterFest as part of its family events. An active alumni portal connects former students, parents, teachers, and staff for networking and reunions.	Parent teacher association Parent Support Programme is organized through the school's Foundation, offering talks and workshops with experts on emotional education, communication with children, and safeguarding. It provides a space to support families as well.
Extra-curricular	Extra-curricular
Academic & intellectual	Academic & intellectual ASM offers an After-School Activities program with opportunities for academic enrichment beyond the regular day. Lower School ASAs include Fabric Painting, Garden Club, Girls Soccer for Fun, Mini MasterChef, Lego Robotics, Scratch Jr., Math League, Chess, 3D Design, and other creative and problem-solving activities. Middle and Upper School ASAs include Model United Nations, Middle Earth Players, Yearbook, Film Club, Garage Band, Minecraft, Design Open Studio, Sustainability, and more. Activities meet weekly from October through May, begin at 4:00 P.M. and end at 5:00 P.M., with older students sometimes ending later; a 5:15 bus is available for riders.	Academic & intellectual Base International School offers a wide range of extracurricular activities—educational, cultural, and sporting—designed to support the integral development of students. Activities include Robotics (Preschool and Nursery) and Robotics in English for Primary, as well as Chess, Theatre in English, Music & Choir, and a variety of sports. Activities take place during lunch or after school from 17:00 to 18:20 and are supervised by qualified professionals.
Arts & creative	Arts & creative ASM's Art and Music departments are thriving, with a Black Box Theater and Art Studio added in 2024. The Art program emphasizes creative expression through studio work and critical thinking about artwork across media. The Music program provides vocal and instrumental instruction from Pre-K to Grade 12; electives include Band, Orchestra, and Choir from Grade 6, with a Jazz Ensemble for 9–12 and IB Music in Grades 11–12. Theater features Middle Earth Players in Middle School and two Upper School productions each year, including the annual Spring Musical.	Arts & creative Arts offerings include Ballet – Flamenco, Ceramics, Art, Modern Dance, Music Initiation, and Music & Choir. Theatre in English is available for Primary and Secondary students, providing drama opportunities. The arts program provides opportunities for performance and creative expression through music and theatre.
Cultural & language	Cultural & language Language and cultural activities include Alt Society (MS GSA) to support diversity and inclusion; a Global Citizens Club focusing on international relations and human rights; Model United Nations including Madrid MADMUN; the French Honor Society Société Honoraire du Français; Speech and Debate Club; and language-related activities such as Taller de Cuentacuentos and French for Fun.	Cultural & language Linguistic diversity is valued, with promotion of learning of different languages and cultures. Students master English and gain proficiency in French or German. Multilingualism is supported across the curriculum.
Social & hobbies	Social & hobbies ASM offers social and hobby clubs that foster peer connections and teamwork. Middle School clubs include Alternative Society, Caring Hands, Lancer Leadership Council, Middle Earth Players, Model United Nations, MS Chess Club, MS Running Club, and Yearbook Club. Upper School clubs include Art Leadership Club, Community Connections Club, Environmental Club, Global Citizens Club, Journalism Club, Model United Nations, National Honor Society, Philosophy Club, Société Honoraire du Français, Speech and Debate Club, Student Service Society, Upper School Executive Council, Yearbook Club, and Medical Science Club.	Social & hobbies Base offers a broad range of recreational activities, including Theatre in English, Football Skills Training, Magic, Volleyball, Athletics, Robotics in English, Music & Choir, Basketball, and Chess. Ballet – Flamenco, Ceramics, and Art also form part of creative and leisure programming.
Community & service	Community & service Caring Hands is a service-learning After-School Activity that coordinates needs in the local community. Community Connections Club partners with a local school for activities with students with disabilities. The Student Service Society leads school-wide service initiatives and fundraisers, and the Global Citizens Club engages in current events awareness and humanitarian efforts.	Community & service Civic engagement is encouraged through participation in social projects. The school emphasizes a global outlook and provides international experiences such as Stays Abroad. Students can engage in social projects as part of their development.
Leadership & professional	Leadership & professional Leadership opportunities include the Middle School Lancer Leadership Council and the Upper School Executive Council. The National Honor Society recognizes high-achieving students for scholarship, leadership, service, and character. Additional leadership and professional-development experiences are offered through the Yearbook, Journalism, and Speech and Debate clubs.	Leadership & professional An entrepreneurship program helps students develop business skills and an entrepreneurial mindset. The school promotes student leadership by fostering creativity, confidence, international awareness, and critical thinking.
Lifestyle & wellbeing	Lifestyle & wellbeing ASM has 54 teams in 9 sports, with 37 competitive teams in local and international leagues. Sports include basketball, football, volleyball, gymnastics, cheerleading, golf, track and field, flag football, and fitness; facilities include two gyms, a full-size football field that can be split into two fields, an all-weather track, and spaces for gymnastics, cheer, and fitness. Mindfulness and wellness are addressed through Taking Care of Me: Mindfulness & Wellness, and the athletics program emphasizes resilience, time management, and teamwork.	Lifestyle & wellbeing The school supports adolescents' physical and emotional health with guidance from educational and psychological professionals. A wide range of sports and physical activities, including Football Skills Training, Athletics, and Rhythmic Gymnastics, complements the wellbeing program. Students participate in Volleyball, Ballet, Judo, and other activities to maintain fitness and wellbeing.
Language provision	Language provision
Language provision	Language provision The Spanish program includes Spanish as a Foreign Language across Lower School, Middle School, and Upper School, aligned with CEFR levels A1 to C2 and emphasizing pronunciation, listening, reading, and spelling. Lower School uses an interactive approach that immerses students in Spanish through engaging activities; Middle School offers four levels with placement testing; Upper School emphasizes communication in daily situations and study of texts, culture, and language. The Native Spanish Program serves native speakers across Lower, Middle, and Upper School, following the Spanish Ministry of Education guidelines and covering Spanish Language and Social Studies, with progression through Educación Primaria (Grades 1–6) and Educación Secundaria Obligatoria (Grades 7–10).	Language provision Base International School is a private international school in Madrid, located in La Moraleja, Alcobendas. The educational offering spans from age one through to university, covering Nursery and Preschool (ages 1 to 6), Primary School, Secondary School (Spanish ESO), and High School through either the Spanish Bachillerato or the International Baccalaureate via the IB Diploma Programme. Each educational stage has its own building and outdoor area on a single campus, and campus tours are available in English or Spanish.
Bilingual teaching	Bilingual teaching The school offers Spanish as a Foreign Language across Lower School, Middle School, and Upper School, with two pathways designed to meet diverse student needs. A Native Spanish Program is available for native speakers at all levels.	Bilingual teaching —
Immersion programs	Immersion programs —	Immersion programs —
Reputation	Reputation
Awards	Awards —	Awards —
Accreditations	Accreditations —	Accreditations —
Admissions	Admissions
Admissions	Admissions The school welcomes applications from students of all nationalities and cultures. The Admissions Committee prioritizes US citizens; expatriate families; alumni or siblings of current students; and families seeking a college-preparatory program based on American standards and practices culminating in an American and/or International Baccalaureate diploma. Parents with children who have special needs should submit all pertinent documentation for the Admissions Commission to determine whether support can be provided. Applicants cannot be accepted as fully enrolled until their transcripts and other requested documentation have been received by the Admissions Office. ASM admits students of any race, color, ethnicity, national origin, religion, gender, sexual orientation, or disability; it does not discriminate in admission policies, financial aid and scholarship programs, and other school-administered programs. ASM reserves the right to accept or reject any application. Families should complete the Application Form as the first step.	Admissions 1. Complete the contact form to start the admissions process. It lets Base get to know you and send personalised information tailored to your family. You will receive essential communications about the program and admissions timelines. This initial step sets the stage for a personalised follow-up. 2. Interview with admissions team. An interview with the admissions team follows. The interview provides an opportunity to discuss your child's needs, understand Base's educational approach, and view the campus. A tour of the school is included to help you experience the environment firsthand, and feedback about fit and next steps is provided after the meeting. 3. Submit the required documents. This formalises your interest and helps secure a place for your child with the support of our team. The admissions staff guide you through the documents needed and ensure everything is in order for review. Once documents are received and reviewed, you will be advised on the next steps. 4. Welcome to Base International School! A Family Coordinator guides you through onboarding and supports you throughout the school year. The onboarding includes introductions and scheduling and ongoing assistance to help your family settle into school life and engage with the community.
Scholarships	Scholarships The ASM Scholarship Program exists thanks to generous donations to the Scholarship Fund and the annual Gala. Thanks to donors, ASM can offer the ASM learning experience to talented students who would not otherwise be able to join ASM, and applicants are asked to demonstrate a high level of English and a commitment to contribute positively to the ASM community. The Scholarship Fund is for exceptional Upper School students, starting with two beneficiaries in Grade 9 (3º ESO/ British Year 10). It will cover up to 75% of school tuition and fees. Applications are now open for the 2026/2027 school year and close on Monday, February 23, 2026. Two applications are needed: a student application and a financial application. Two scholarships will be awarded to two students entering Grade 9 in September 2026; when the program is fully established, there will be up to 8 Upper School students (2 in each grade) receiving scholarships. Eligibility requirements include a strong academic record; near-native English (B2 Cambridge); a proven desire to be part of the ASM community; and values aligned with ASM. The scholarship lasts from Grade 9 through Grade 12 on a year-by-year basis and is funded by donations (scholarships are not paid from tuition). The scholarship covers up to 75% of tuition and fees (excluding additional costs such as trips). For families who are part of the ASM community and need help, ASM provides support for short-term financial hardship. Contact: scholarships@asmadrid.es; Duration: Grade 9–12 (year by year).	Scholarships —
Waitlist	Waitlist —	Waitlist —
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