Astra Academy International School vs Traill International School
Astra Academy International School and Traill International School are both in Bangkok, about 4 km apart. Both schools offer British, Cambridge IGCSE and Cambridge A Levels programmes, and Traill International School also offers Cambridge (Primary) and Cambridge (Secondary). Published annual fees are THB 486,000 - 519,000 at Astra Academy International School and THB 358,200 - 558,000 at Traill International School, which puts Astra Academy International School roughly 10% higher. Astra Academy International School takes pupils from 5 to 18, and Traill International School from 2 to 18. Traill International School is the larger school, with around 450 pupils to Astra Academy International School's 130. Typical class sizes are 20 at Astra Academy International School and 450 at Traill International School.
British Curriculum, Cambridge IGCSE, Cambridge A Levels
Curriculum
British Curriculum, Cambridge (Primary), Cambridge (Secondary), Cambridge IGCSE, Cambridge A Levels
Pupils
Pupils
130
Pupils
450
Typical class size
Typical class size
20
Typical class size
450
Instruction language
Instruction language
English
Instruction language
English
Opened
Opened
2021
Opened
1966
Bus service
Bus service
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Bus service
Yes
Essentials
Essentials
Location
Location
Astra Academy International School is located at 154 Ekkamai 14 Alley, in the Khlong Tan Nuea area of the Watthana District in Bangkok. The school is in a residential part of the Ekkamai neighborhood, which is connected to Sukhumvit Road. It is accessible by local roads and public transportation, including the nearby Ekkamai BTS station. The area includes housing, small businesses, and local amenities, making it practical for families living in central Bangkok.
Location
Traill International School is located in the Ramkhamhaeng area of Bangkok, Thailand. The campus is accessible via major road networks and is situated near shopping malls and sports facilities.
Stages
Stages
Astra provides education for Primary and Secondary school levels.
Stages
The school offers education from Early Years (age 2) through to Year 13. It is divided into Early Years, Primary (Years 1–6), Middle School (Years 7–9), and Senior School (Years 10–13), including IGCSE and A-Level programmes in the final years.
School type
School type
The school is a co-educational day school. Boarding facilities are not offered.
School type
Traill International School is a co-educational day and boarding school. Boarding is available for boys only and is geared towards student-athletes, offering training alongside academic programmes.
Pupil nationality mix
Pupil nationality mix
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Pupil nationality mix
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Additional learning support
Additional learning support
The school does not have publicly available information on their Additional Learning Support.
Additional learning support
The school offers additional academic, language, and pastoral support through its admissions screening process.
Country affiliation
Country affiliation
The school is not affiliated with any country.
Country affiliation
The school is not affiliated with any country.
Religious affiliation
Religious affiliation
The school does not have any religious affiliation and serves students from all cultural backgrounds.
Religious affiliation
The school has no religious affiliation.
School day structure
School day structure
The school does not have their day structure publicly available.
School day structure
The school day at Traill International School begins around 7:10 AM, with academic lessons running through the morning and into the early afternoon. Students have a mid-morning break and a lunch break of approximately 45 minutes, with meals provided in the school cafeteria. The academic day ends at 2:15 PM, followed by Extracurricular Activities (ECAs) from 2:30 PM to 3:30 PM.
Bus service details
Bus service details
The school does not have publicly available information on their bus service.
Bus service details
The school offers transportation.
Fees
Fees
Fee details
Fee details
Tuition Fees (per year) Year 1 to Year 4: 486,000 THB Year 5 to Year 6: 510,000 THB Year 7 to Year 11: 519,000 THB
Additional Fees Application Fee: 3,500 THB (non-refundable; includes assessment)
Dining Programme (per year) Year 1 to Year 6: 32,100 THB Year 7 to Year 11: 33,900 THB (Includes morning snack and lunch; vegetarian and allergy-conscious options available.)
Other Fees Additional costs may apply for Intensive Language Programmes, English as an Additional Language (EAL), after-school enrichment classes, examination fees, and school trips.
The school does not have their refund policy and payment methods publicly available.
Fee details
Application Fee: THB 5,500 (non-refundable)
Annual Tuition Fees Nursery: THB 116,500 Kindergarten: THB 122,000 Reception: THB 130,000 Years 1–2: THB 146,000 Years 3–6: THB 150,000 Years 7–9: THB 174,500 Years 10–11: THB 182,000 Years 12–13: THB 188,500
Other Fees Caution deposit: THB 20,000 (refundable)
English as an Additional Language (EAL): THB 15,000–30,000 per term (based on assessment)
Capital levy: THB 50,000 (one-time, non-refundable)
Payment Method Payment is accepted via bank transfer; credit card options are not specified.
Diving deeper
Diving deeper
Boarding arrangements
Boarding arrangements
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Boarding arrangements
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Uniform requirement
Uniform requirement
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Uniform requirement
Uniforms are mandatory and there is a different uniform for each school section; uniforms and the sports kit are available for purchase at the school shop.
Food options
Food options
Lunches are prepared with high-quality ingredients; every lunch features a vegan-friendly vegetarian option; Astra is a no-nut campus and we cater to food allergies and religious or cultural dietary restrictions; lunches include fresh fruit and vegetables; cooking is part of the Design Technology curriculum, and there is a Culinary Classroom; After School Enrichment classes are offered for those who wish to explore culinary arts.
Food options
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House system
House system
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House system
Traill has a House System with three houses; students from all year groups compete in events and challenges, and points are added to the overall cross-campus total for the Houses; the system fosters teamwork and character development.
Governance and ownership
Governance and ownership
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Governance and ownership
The school is governed by a designated governing body.
Academics
Academics
Curriculum details
Curriculum details
Astra Academy delivers the UK National Curriculum from Year 1 through Year 13. In the primary years, students experience broad learning across literacy, numeracy, science, and creative subjects. The approach is inquiry-driven, with a focus on helping students understand how to think critically and communicate clearly. In secondary school, students follow Key Stage 3 in Years 7 to 9, then prepare for Cambridge IGCSEs in Years 10 and 11. In Years 12 and 13, students work toward Cambridge A-Level qualifications. The school uses a structured progression model that builds academic depth and skill development across each stage, preparing students for university-level expectations.
Curriculum details
Traill International School follows the British National Curriculum from Early Years through Sixth Form. In Kindergarten, children follow the EYFS framework, focusing on key developmental areas through structured play and thematic learning. Primary students (Years 1–6) study core subjects including English, maths, science, and computing, alongside languages, art, and PE, with progress tracked using Rising Stars assessments. The Middle Years programme (Years 5–7) bridges Primary and Secondary, combining subject specialisation with continued development of foundational skills. In Secondary, students follow Key Stage 3 in Years 7–9, before beginning the two-year Cambridge IGCSE programme in Years 10–11, typically taking 9–10 subjects. Sixth Form students can choose either the Cambridge A-Level programme or the Traill Diploma, a coursework-based alternative focused on personal interests and future plans.
The school does not have publicly available information on their Social and Emotional Learning.
Social & emotional learning
The school designs its PSHE (Personal, Social, Health Education) curriculum to support SEL through regular lessons that celebrate cultural diversity and personal responsibility. Dedicated form tutors and pastoral teams guide students in goal‑setting and reflection using SMART targets. Residential trips and house competitions further develop teamwork, confidence, and communication skills. Traill offers structured pastoral care to ensure students feel valued and supported throughout their school journey.
Special educational needs (SEN)
Special educational needs (SEN)
The school does not have any dedicated SEN support.
Special educational needs (SEN)
Traill is not a specialist SEN school, but it provides learning support to students identified with specific needs through initial assessments and a dedicated team. The Gifted & Talented policy explains how differentiated learning plans are used, along with mentorship and enrichment ECAs, to support identified abilities. While core SEN categories are not listed explicitly, Traill’s assessment and pastoral systems enable tailored teaching and tracking for individuals needing additional support. The school also adjusts homework and class activities as needed. Specialist staff are available to support both academic and pastoral needs.
English as an additional language
English as an additional language
The school offers EAL.
English as an additional language
The school employs a team of nine specialist teachers to support students with limited English proficiency. These teachers provide targeted language support alongside mainstream lessons to ensure learners can access the curriculum.
Mental wellbeing
Mental wellbeing
Astra has a weekly timetabled Wellbeing lesson across all year groups, where students learn to recognize and express emotions constructively and build resilience. Additionally, the school’s Safeguarding policy promotes restorative conflict resolution, emotional awareness, and openness in addressing student concerns.
Mental wellbeing
The school promotes mental wellbeing via whole‑school care systems, including form tutors, pastoral teams, and access to school nurses. PSHE lessons address emotional literacy and resilience, reinforced through daily routines and SMART target monitoring. Residential trips and house events help build student self-esteem, confidence and healthy social interaction.
Safeguarding
Safeguarding
Astra Academy’s safeguarding approach focuses on protecting children from abuse, preventing harm to their development, and ensuring they grow up with safe, effective care. The school has specific child protection procedures for addressing cases where a student may be at risk of significant harm. Bullying is addressed with a strict zero-tolerance policy, distinguishing it from ordinary conflict, and emphasizing early intervention.
The school promotes restorative conflict resolution through its Wellbeing program, encouraging students to understand their emotions and communicate effectively. Astra’s medium size fosters close relationships among staff and students, making it easier to detect and respond to issues early and maintain a safe, supportive environment.
Safeguarding
Traill maintains clear safeguarding policies, overseen by designated staff and regularly reviewed under the British Schools Overseas inspection. Formal procedures are in place for concerns or complaints, with transparent escalation channels up to a review panel if needed. The school ensures staff receive DBS checks and training, while child protection is monitored by the governing body. Facilities such as campus security, safe crossing procedures, and bus GPS tracking contribute to day‑to‑day safety. Communication channels allow parents to report issues quickly and confidentially.
The school is a future-focused British International School for ages 5 to 18, with a green, innovative campus in Sukhumvit (Ekkamai Soi 14). The campus is spacious and located in Bangkok's Thong Lo-Ekkamai area. The school opened its doors in October 2021. The curriculum is based on the British National Curriculum and wellbeing is a focus. The campus is designed with sustainability in mind and holds Eco School Status under the Ministry of Natural Resources and Environment.
Facilities overview
The school is located at Ramkhamhaeng 16, Huamark, Bangkapi, Bangkok 10240, Thailand. Traill International School delivers a British Curriculum from Kindergarten to Year 13. It offers IGCSE, AS Levels, and A Levels as examination pathways. English is the language of instruction, with an ESL program to support learners; Thai language, culture and history is taught as part of the curriculum. The campus includes a well-stocked library, an 8:1 student–teacher ratio, a large gymnasium, a football pitch, and a swimming pool.
Sports facilities
Sports facilities
The Facilities page shows images of campus spaces. Arts and performances spaces are part of campus life, as indicated by the Performances gallery. Wellbeing is integrated into the curriculum with weekly Wellbeing lessons. The campus is located in the Thong Lo-Ekkamai area of Bangkok.
Sports facilities
The school features a large gymnasium, a football pitch, and a swimming pool. The sports program offers two pathways, including the Elite Academy Program. It emphasizes good sportsmanship, respect, teamwork, self-discipline, confidence, handling pressure, and resilience. It aims to develop well-rounded student-athletes who balance academic and athletic commitments.
Academic facilities
Academic facilities
The school provides Primary to Secondary education. The curriculum is based on the British National Curriculum. Small class sizes and individual talent development coaching are core features. UK-experienced teachers contribute to the learning environment. The campus emphasizes wellbeing as part of its educational approach.
Academic facilities
Small class sizes and an 8:1 student–teacher ratio support individualized learning. A team of nine specialist teachers provides subject-specific support, including English language support for pupils arriving with limited English proficiency. The library is well-stocked and resourced. The curriculum covers a broad range of subjects up to examination and diploma levels, including IGCSE, AS Levels, and A Levels. Traill is accredited by British Schools Overseas through 2028 and operates as a Cambridge International Examinations center.
Extra curricular facilities
Extra curricular facilities
The school uses a Talent Development Matrix to identify and nurture student talents. Arts and performances are part of campus life. Wellbeing and growth mindset are integrated into the curriculum. The Eco School Initiative demonstrates sustainability engagement.
Extra curricular facilities
Traill offers a varied range of extracurricular activities (ECAs) that run daily from 2:30 pm to 3:30 pm. Many ECAs are provided free of charge; if external providers are involved, there may be costs. ECAs can be booked via online submission forms that go live in the first week of each term, with separate forms for Primary and Secondary. Participation develops life and people skills and boosts self-esteem.
Parent experience
Parent experience
History
History
Astra Academy opened in October 2021 as the newest institution under the Kids’ Academy family, backed by over 18 years of experience in international schooling. It initially accepted students in Years 1–3 and 7–9, with around 80 students ranging from Years 1 to 10, following the English National Curriculum. The school anticipates expanding to around 500 students and fully extending its program to Year 13 over the coming years.
History
Traill International School was founded in 1966 by Mr. and Mrs. Anthony Traill as "The Preparatory School," Thailand’s first British secondary school with just 82 students. The Traill family remains involved as Governors and Directors. During the 1970s and 1980s, the school introduced air-conditioned classrooms, O-Levels and A-Levels, and became one of Thailand’s first schools to offer computer education and London University examinations. These early innovations set Traill apart in Bangkok’s educational landscape.
Community
Community
Astra Academy features a globally diverse community, with more than 50% of its students representing over 20 different countries. The school celebrates this international mix through events like International Day, where students and families share cultural traditions, dress, and food. Such initiatives help create a close-knit and inclusive atmosphere that fosters intercultural appreciation and friendships across backgrounds.
Community
The school community includes students from nearly 40 nationalities, creating a multicultural environment enriched by events such as International Day, House competitions, and cultural assemblies. Personal, Social and Health Education (PSHE) lessons celebrate diversity through festivals and intercultural awareness activities. The house system fosters cross-age cooperation, teamwork, and school-wide citizenship challenges.
Parent teacher association
Parent teacher association
The school does not have an official PTA.
Parent teacher association
The Parents and Teachers of Traill (PATT) is an elected group of parents each school year who support communication between families and staff. They organise events like the annual Traill Family Fun Fair, a t-shirt design competition, and support major school occasions such as Sports Day and International Day. PATT meets regularly to discuss ideas and plan activities, encouraging other parents to volunteer and contribute. They also assist in coordinating refreshments, stall arrangements, and liaise with school leaders to enhance school life.
Extra-curricular
Extra-curricular
Academic & intellectual
Academic & intellectual
The school follows the British Curriculum for Primary to Secondary (ages 5 to 18). The curriculum uses Key Stages (KS1 to KS5) with formal assessments at the end of each Key Stage. The framework is based on the British National Curriculum with an emphasis on wellbeing. UK-experienced teachers deliver instruction.
Academic & intellectual
The school follows a British curriculum and offers IGCSE, AS Levels, and A Levels, and is accredited by British Schools Overseas. Small class sizes and experienced teachers support individual pupil progress. Kindergarten/Early Years through Sixth Form provide education across the full range of grades. English as a Second Language and Thai Language, Culture and History are part of the curriculum.
Arts & creative
Arts & creative
Art and Music are core subjects in both Primary and Secondary. In Primary, the curriculum includes English, Mathematics, Science, Geography, History, ICT, Art, Music and PE, with Wellbeing, Thai and Mandarin Chinese; all students have a weekly Mandarin lesson. In Secondary, arts are included as visual and expressive subjects, and students participate in performances.
Arts & creative
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Cultural & language
Cultural & language
Thai and Mandarin Chinese are taught as language subjects. Thai is delivered with higher weekly units for Thai nationals (five per week) than for foreign nationals (two per week). All students have one weekly Mandarin Chinese lesson. The student body is approximately 50:50 Thai to non-Thai.
Cultural & language
Thai Language, Culture and History is part of the curriculum. The school emphasises cultural diversity with nearly 40 nationalities represented among pupils. The school is located in Bangkok, Thailand.
Social & hobbies
Social & hobbies
There are after-school Enrichment lessons and a program of Wellbeing; every year group has a weekly Wellbeing lesson. Physical Education is part of the core timetable, and lessons frequently utilize Astra's spacious green campus for outdoor learning.
Social & hobbies
Traill offers a varied range of Extracurricular Activities (ECAs) that run daily from 2:30 pm to 3:30 pm. ECAs help students develop life and people skills and encourage commitment. Most ECAs are provided free of charge, with some activities involving external providers that may incur costs. Booking is via online submission forms, with year-group specific forms for Primary and Secondary.
Community & service
Community & service
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Community & service
Pastoral Care is a cornerstone of Traill. PATT (Parents And Teachers of Traill) engages families in Traill's community.
Leadership & professional
Leadership & professional
In the British Curriculum, secondary levels include KS3-5 with Cambridge iGCSE and A Levels. The program includes leadership development, career planning, upskilling and intercultural fluency.
Leadership & professional
PATT (Parents And Teachers of Traill) provides a platform for parental engagement in school life.
Lifestyle & wellbeing
Lifestyle & wellbeing
Wellbeing is integrated into the timetable with weekly Wellbeing lessons; Physical Education is part of the curriculum; outdoor lessons occur on the spacious green campus when weather allows.
Lifestyle & wellbeing
Pastoral Care supports student well-being. PSHE programme fosters well-being and personal development. Sports are part of the school's life and contribute to a balanced program, integrating academics with sports and extracurricular activities.
Language provision
Language provision
Language provision
Language provision
Languages taught include English, Thai and Mandarin Chinese. English is taught as a core subject in Year 1 to Year 6. Thai is taught with five weekly lessons for Thai-national students and two for foreign nationals. All students have one Mandarin Chinese lesson per week, with optional further Mandarin study available through after-school Enrichment.
Language provision
English is the language of instruction with an English as a Second Language (ESL) program to support students joining mainstream education. Thai language and culture is taught in two tracks: a Thai Language, Culture and History programme for native Thai speakers aligned to the Thai MOE curriculum, and a Thai Language, Culture and History programme for non-native speakers offered from KG1 to Year 9; non-native speakers may join the native speakers' class if eligible, and students progress to Year 11 for iGCSE First Language Thai. The curriculum also includes specialist language teaching in Mandarin, Japanese, French and Thai Language and Culture (with intercultural studies in Key Stage 2 covering Japanese, Mandarin and French).
Bilingual teaching
Bilingual teaching
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Bilingual teaching
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Immersion programs
Immersion programs
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Immersion programs
Two immersion classes exist within Key Stage 3 for beginners up to lower intermediate. In these classes, students attend mainstream Art, P.E. and Games while the remainder of the time is spent in the ESL classroom, where English, Mathematics and Science are taught by ESL specialists; Information Communication Technology, Geography, History and General Studies are taught informally to support language acquisition. ESL Class 3 is a partial immersion class in which students attend mainstream Drama, Music, Mathematics, ICT, Art, P.E. and Games, with the remainder of the time spent in the ESL classroom for History, Geography, General Studies and ESL Science.
Reputation
Reputation
Awards
Awards
Eco School Thailand Recognition Astra has been awarded Eco School Status, making it the first international school in Thailand to earn this designation. The program promotes sustainable practices, environmental learning, and green campus initiatives, supported by the Thai Ministry of Natural Resources and Environment.
Awards
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Accreditations
Accreditations
Cambridge Assessment International Education (CAIE) Astra is officially recognized as a Cambridge International School, meaning it is authorized to offer globally respected Cambridge programs such as IGCSE and A-Levels.
ISAT – International Schools Association of Thailand Membership in ISAT connects Astra with other accredited international schools in Thailand, promoting quality, collaboration, and compliance with Thai Ministry of Education standards.
Department of Environmental Quality Promotion (Thailand) This is a government agency under the Ministry of Natural Resources and Environment. Recognition from this department reflects Astra’s integration of environmental education and sustainability practices.
Accreditations
Cambridge International School Licensed to offer Cambridge IGCSE and A-Level qualifications through Cambridge Assessment International Education.
Education Development Trust (EDT) Regularly inspected under the International Schools Quality Mark framework; evaluates teaching quality, student welfare, and leadership.
British Schools Overseas (BSO) Accredited and inspected under UK Department for Education standards for overseas British schools.
ISQM Silver Accreditation Recognition under the International Schools Quality Mark for meeting global standards in school leadership, teaching, and outcomes.
ECIS (European Council of International Schools) Member of a global organisation supporting best practice and collaboration in international education.
FOBISIA (Federation of British International Schools in Asia) The school is involved in regional events, professional development, and student competitions.
TISAC (Thailand International Schools Activity Conference) Member of a network facilitating inter-school sports and cultural events in Thailand.
ISAT (International Schools Association of Thailand) National member association representing international schools before Thai authorities.
Admissions
Admissions
Admissions
Admissions
School Tour (Optional) Schedule a school tour either in-person or virtually with the admissions team.
Online Application Apply through the OpenApply portal:
Fill out the application form Upload two years of school reports/transcripts Submit required ID and documents Pay the application fee
Admissions Review The admissions team evaluates your application and may contact you for further discussions or clarification.
Interview or Assessment (if needed) Depending on grade level, an interview or academic screening might be arranged.
Acceptance & Enrollment Upon acceptance:
You’ll receive a formal offer Complete enrollment forms Pay the necessary fees to secure the spot
Admissions
1. Book a personalised tour or open house Visiting the campus helps you observe learning spaces, meet teachers, and ask about school life before formally applying.
2. Submit the application form Complete and hand in the form either during your visit or on the assessment day. Along with it, provide documents such as passport photos, birth certificate/passport, recent school reports, and any relevant medical or learning support records.
3. Attend the assessment and interview Younger children take a one‑day classroom trial, while older students sit English, maths and science written and oral assessments.
4. Receive offer and pay enrolment fee If offered a place, you must pay a non-refundable enrolment fee within two weeks to secure your child’s spot.
Scholarships
Scholarships
The school does not have publicly available information on their scholarships.
Scholarships
The school does not appear to offer scholarships (e.g. fee discounts or merit-based awards) based on information publicly available.
Waitlist
Waitlist
The school does not have a waitlist.
Waitlist
Traill does not operate a formal waitlist or pool system.
