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Adria International School

Croatia, Opatija

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The school at a glance
Instructs in English
Fees €8,500 - 15,000
Ages 3 - 18 years
Type Co-educational
Opened 2022
Bus Service No
Academic offering
Curriculum IB (PYP), IB (MYP), IB (DP), Christian Curriculum
Taught languages English, German, Italian, Spanish, Croatian
Strengths STEM, Languages, Visual and Creative Arts
Clubs Arts and Creative, Cultural and Language, Academic and Intellectual
Stages Early Years, Kindergarten, Primary School, Middle School, Secondary School, Sixth Form
Introduction

Adria International School is Croatia's first and only IB Continuum World School, offering the Primary Years Programme, Middle Years Programme and Diploma Programme on a single campus. Located in a renovated historic villa in Opatija, the school educates learners from age 3 to 18 in English, with a kindergarten at primary level and a multilingual framework that enables students to study at least four additional languages. From age 11 onward, STEM is integrated across subjects through hands on laboratory work and real world applications, supported by a learning support framework and provisions for giftedness. The campus features science and art laboratories, plus a library, and students undertake field trips and excursions annually with organized transport. A distinctive approach includes no homework for younger pupils, no school bells, and no fixed 45 minute lesson blocks, complemented by school activities and Erasmus+ opportunities for staff and students. For global community.

Stubište Miroslava Krleže 1, 51410 Opatija, Croatia

The Essentials

Adria International School has instruction in English.

Location
Adria International School is located at Stubište Miroslava Krleže 1, Opatija, Croatia. It sits in the centre of Opatija, housed in a historic villa. The building, Villa Warmeck, is a notable landmark in the town. The campus is situated in the heart of Opatija, near the Croatian coast.

Stages
From Early Years (ages 3–6) through the Diploma Programme (ages 16–19), the school offers the IB continuum: Primary Years Programme, Middle Years Programme, and Diploma Programme.

Type
IB World School offering the Primary Years Programme, Middle Years Programme, and Diploma Programme (IB Continuum).

Pupil Nationality Mix
The school community includes more than 20 nationalities, with approximately half Croatian and half international students, though this balance varies by year and age group.

Additional learning support
Croatian language support is provided for non-native speakers, including a Croatian acquisition pathway. All students study Croatian as a subject, and the school supports multilingualism with English as the language of instruction.

Country affiliation
Croatia

School day structure
The school day begins with breakfast from 8:00 to 8:30 a.m., and the formal programme starts at 8:30 a.m. A longer morning break allows for rest and a fruit snack, followed by a lunch break of 30–60 minutes depending on age. Lessons resume in the afternoon and finish between 3:30 and 4:00 p.m. On Wednesdays, the day ends at 2:00 p.m. From 4:00 to 5:00 p.m., after-school clubs and enrichment activities run; the school emphasizes a balanced rhythm of learning, movement, meals, outdoor time, and rest.

Bus service
The school offers organised transport to and from the school.
Diving Deeper

Uniform Requirement
Uniforms are not mandatory from the 2026/27 school year. They are optional and not included in tuition.

Food Options
Meals are included in tuition, including breakfast, snacks, and lunch.

Governance and Ownership
The school is a private and independent institution that does not receive government subsidies for its daily operations.
Fees

Annual tuition at Adria International School ranges from EUR 8,500 to EUR 15,000 for 2026/27.

Admission / Application Fee

- Admission Fee (one-time): EUR 300 per student. All existing families are exempt.

Tuition fees by programme (annual)

- Early Years (EY): EUR 8,500 per year. Membership Fee: EUR 500 per year. Capital Fee: EUR 500 per year.

- Primary Years Programme (PYP) Years 1–3: EUR 10,000 per year. Membership Fee: EUR 1,000 per year. Capital Fee: EUR 1,000 per year.

- Primary Years Programme (PYP) Years 4–5: EUR 10,500 per year. Membership Fee: EUR 1,000 per year. Capital Fee: EUR 1,000 per year.

- Middle Years Programme (MYP) Years 1–3: EUR 12,000 per year. Membership Fee: EUR 1,000 per year. Capital Fee: EUR 1,000 per year.

- Middle Years Programme (MYP) Years 4–5: EUR 13,000 per year. Membership Fee: EUR 1,000 per year. Capital Fee: EUR 1,000 per year.

- Diploma Programme (DP) Years 1–2: EUR 15,000 per year. Membership Fee: EUR 1,000 per year. Capital Fee: EUR 1,000 per year.

Billing schedule and payment terms

- Tuition amounts above are published as annual fees. Early one-time payment discounts are available when the full tuition is paid by the specified dates: 10% if paid by 05.02.2026; 7% by 15.03.2026; 5% by 15.06.2026; 3% by 05.08.2026.

- Card payments are accepted (either as a one-time payment or by credit card in 2–6 installments). Installment payments can only be made by credit card. Card payments can be made at the school administration office during posted weekday hours. Sibling discount: 5% (applies to tuition fees only).

- No explicit term-by-term invoice schedule or mandatory number of installments is published; instalment payments are available by credit card as noted above.

Boarding fees

- No boarding programme or boarding fees are listed; boarding does not apply.

Other compulsory and optional costs

- Afterschool clubs (1 hour/week): first semester €160; second semester €200 (minimum participation applies). Drama and choir are free of charge.

- Kindergarten daycare (16:00–17:00) is not included in tuition: regular care €100/month; occasional care €15/hour (must be booked at least 48 hours in advance).

- School uniforms are no longer included in tuition from the 2026/27 school year. Uniforms are not mandatory; remaining stock may be purchased and future orders arranged through the administration.

- Field trips and excursions: organisational support is provided by the school, but travel-related costs (transport, accommodation, tickets, meals) are charged separately.

- Learning materials: core materials and required reading are provided for PYP; PYP students have iPads provided and supplies covered. MYP and DP operate on a BYOD laptop model; families purchase required textbooks as needed while the school supplies other required resources.

- Student transportation: a minibus service on the Rijeka–Opatija route is offered in cooperation with a third-party provider (RideOn); parents sign a contract directly with that transport provider and pay transport charges to the provider.

Refund information and late-enrolment adjustments

- Non-refundable: Admission fee, Membership fee, Capital fee. Tuition refunds and late-enrolment fee adjustments are governed by published percentage scales based on withdrawal date or enrolment week.

- Tuition refund scale by withdrawal timing (percentage of tuition refundable):
- Weeks 1–4 → 75–90% refundable
- Weeks 5–11 → 50% refundable
- Weeks 12–18 → 25% refundable
- Weeks 19–35 → 0% refundable.

- Late enrolment tuition payable (as percentage of full tuition) by enrolment period:
- Before start of school year until 30.9 → 100% payable
- Weeks 5–10 → 85% payable
- Weeks 11–16 → 75% payable
- Weeks 17–23 → 65% payable
- Weeks 24–28 → 40% payable
- Weeks 29–35 → 30% payable.

Fee payment options

- Accepted payment methods (published): credit/debit card payments are accepted; installment payments are available only by credit card (2–6 installments). Card payments may be processed in person at the administration office during posted hours. No separate bank-transfer payment instructions are published on the fees page. Sibling discount of 5% applies to tuition fees only.

Brief note on published detail and remaining items

- Annual tuition, admission fee, membership and capital fees, early-payment discounts, card/installment options, refund percentages and the listed optional charges (afterschool clubs, daycare, transportation arranged via a third party, uniforms policy, and field-trip costs) are published. A detailed per-term invoice schedule or explicitly published per-term fee amounts are not provided on the published fee schedule, and no boarding programme or boarding fees are published.
Academics

Adria International School teaches IB (PYP), IB (MYP), IB (DP), Christian Curriculum for students aged 3 to 18.

Curriculum
Adria International School is an IB Continuum World School authorized to offer the Primary Years Programme (PYP), Middle Years Programme (MYP) and Diploma Programme (DP). It was founded in 2022 and provides education from age 3 to 19, with instruction in English; an English-language kindergarten operates alongside the primary school. The school promotes multilingualism, offering the possibility to learn at least four additional languages. From age 11 onward, STEM is emphasized, with students applying theory in scientific laboratories and practical contexts. A learning-support framework and provision for giftedness development are in place, and there is no homework, no school bell, and no fixed 45-minute lesson blocks for younger students. Out-of-school activities and excursions connect learning with real-life experiences.

Higher Education Progression
DP is designed to prepare students for higher education at leading universities worldwide. The school states it aims to enable students to continue their studies at the best universities in the world. The Diploma Programme curriculum is structured to support admission to global higher education institutions.

Gifted and Talented
The school provides learning support and content aimed at developing giftedness.
Wellbeing

Social and Emotional Learning (SEL)
SEL is embedded across subjects and pastoral programs, guided by the CASEL framework, with the Learning Support Team and school counsellor providing ongoing professional development to strengthen student well-being and recognize signs of distress.

Special Educational Needs (SEN)
The school has a Learning Support Team that provides social-emotional support and targeted strategies; Individualized Learning Plans (ILPs); accommodations and collaboration with families and external specialists.

English as an Additional Language (EAL)
English is the language of instruction for all IB programmes; Croatian is taught as a subject, with a Croatian Language Acquisition pathway for learners learning Croatian as an additional language.

Mental Wellbeing
Social and emotional well-being is fundamental to inclusive education; well-being is embedded in the school culture and curriculum, with SEL integrated across learning and pastoral programs and supported by staff training and counselling resources.

Safeguarding
A safe, respectful school climate is prioritised; confidentiality is maintained while ensuring student safety and well-being, with the Learning Support Team and counsellors addressing safeguarding and wellbeing needs.
Parent Experience

History
Adria International School was founded in 2022. It is the first and only IB Continuum World School in Croatia, authorized to offer the Primary Years Programme (PYP), the Middle Years Programme (MYP), and the Diploma Programme (DP). The school's professional standards unite the best examples of Croatian educational heritage with contemporary international educational trends and values of the modern 21st‑century society. The tradition we aim to create rests on humanistic values and a focus on the needs of a global community. Our motto is 'Choice of Excellence'.

Community
Adria International School builds a vibrant, international community in Opatija with events and activities for families and students. The calendar includes events such as Parent Welcome Evening: Together into the New School Year, September events, and various student life offerings. End‑of‑year celebrations, field trips, and other community activities are highlighted as part of school life, reflecting active engagement with families. Regular school communications emphasize collaboration, connection, and belonging within the Adria community.

Parent Teacher Association (PTA)
The PTA runs Library Book Donation Week: Share a Book, Inspire a Reader. The event aims to enrich the school library by inviting families to donate books. It took place on May 30, 2026, as part of the PTA's ongoing engagement with the school community and literacy initiatives. The campaign emphasizes sharing books to inspire readers and to support student access to reading materials.
Facilities

Facilities Overview
Adria International School is housed in a newly renovated historic villa in Opatija, equipped with state-of-the-art technology and teaching aids. The campus is located at Stubište Miroslava Krleže 1, Opatija. The school library is on site. All lessons are delivered in English, and students study at least two additional languages; there is a kindergarten at the primary school, also taught in English. The school is the first and only IB Continuum World School in Croatia, authorized to offer PYP, MYP and DP.

Academic Facilities
There are well-equipped art laboratories for creative subjects and science laboratories for STEM work. There is a school library on campus. Instruction is delivered in English and at least four other languages are available at the school. The IB programmes (PYP, MYP, DP) are authorized. An interdisciplinary approach links subjects through shared themes and collaborative learning.

Extra Curricular Facilities
Added value after-school programme includes learning support and a diverse range of after-school and extracurricular activities. There are no homework, bells, or rigid 45-minute lesson blocks; younger pupils complete tasks during the school day. The school offers organized transport to and from school. Field trips and excursions—such as visits to puppetry theatres, cinema, museums, and galleries, plus day and multi-day trips—are part of the program, at least twice yearly. Extracurricular activities beyond the classroom are promoted as part of school life.
Extra-Curricular Activities

Academic & Intellectual
Afterschool activities include MYP clubs: Mathemagicians Club, 3D Puzzles Club, and Theatre Club. PYP clubs include Wellbeing Club, Comic Books Club, Yoga and Mindfulness Club, Baking Club, Art Club, STEM Challenge Club, German Language Club, PYP Storytelling Club, and Little Global Citizens Club. STEM is emphasized beginning around age 11, with activities that apply theoretical knowledge in scientific laboratories. These clubs extend learning beyond the classroom to foster inquiry, collaboration, and problem-solving.

Arts & Creative
Theatre Club and Art Club are offered as after-school activities. The Comic Books Club provides opportunities for illustration and storytelling. Baking Club and other creative clubs offer hands-on artistic experiences. These clubs give students space to express creativity and complement IB learning.

Cultural & Language
German Language Club is among the after-school clubs. PYP Storytelling Club develops cross-cultural communication and narrative skills. Little Global Citizens Club broadens global perspectives for students. Adria fosters multilingualism and offers opportunities to learn languages beyond English.

Social & Hobbies
Wellbeing Club is among the after-school clubs. Yoga and Mindfulness Club provides mindfulness and well-being activities. Baking Club offers culinary-based hobbies, and Art Club supports visual arts exploration. The range of clubs encourages friendship, teamwork, and personal interests beyond academics.

Community & Service
Life Beyond the Classroom includes community service opportunities, outdoor learning, and field trips that connect learning with real life. Teaching activities outside school walls include visits to puppet theatre, cinema, and excursions, as well as activities in nature and visits to museums and exhibitions. From science and the arts to outdoor learning and community service, students grow through meaningful experiences.

Leadership & Professional
Adria supports participation in Erasmus+ projects for both employees and students, enabling international collaboration and mobility. The school promotes cooperation with other IB schools as part of its approach to international education. These opportunities provide platforms for collaboration, leadership development, and cross-cultural experiences. Erasmus+ projects are highlighted as a vehicle for widening educational horizons for the Adria community.

Lifestyle & Wellbeing
Wellbeing Club and Yoga and Mindfulness Club promote student wellness as part of after-school offerings. Baking Club and Art Club provide leisure and recreational opportunities that support a balanced lifestyle. The diversity of clubs supports physical activity, creativity, and personal interests outside formal lessons.
Languages

Language Provision
English is the language of instruction, and all formal school communications are in English; curriculum documents are in English, except for non-English language courses which are kept in bilingual form. Croatian is the host language incorporated into the curriculum. Language acquisition courses include English, Croatian, German, and Spanish; in the Diploma Programme, Group 1 languages are English and Croatian, while Group 2 options are English B, German B, and Spanish B. EAL support helps students who are not proficient in English.
Reputation

Accreditations
IB Continuum World School (PYP, MYP, DP)
Registered as an international primary and secondary school authorised by the Ministry of Science and Education to conduct lessons in English
Admissions

Admissions
1. Inquiry and Application. Families begin by submitting a completed application form via email to Adria International School. The application includes required documents, such as proof of temporary or permanent residence in Croatia, the child's birth certificate, and a passport or ID card for the child and for both parents. Depending on the programme, additional documents may be required, including a request for recognition of prior education; for Early Years, the Early Years Development Questionnaire and a pediatric health certificate are also needed. The admissions team reviews the submission to confirm it is complete and ready to proceed.

2. Interview. An interview with the student and parents/guardians is conducted by the Head of School, with input from Programme Coordinators and the Learning Support Team. This interview provides insight into the parents' and student's motivation, the child's psychophysical readiness, and their needs and preferences. It also offers an opportunity to learn more about the school's curriculum and how it supports the student's learning pathway. The outcomes of the interview guide the next steps in the admissions process.

3. Assessment. Depending on the programme and the student's background, assessments may be required to evaluate academic skills, English language proficiency, and readiness. Assessments are arranged by the admissions team and considered in the admission decision. The school may include an English Language Placement Assessment to determine language support needs. Assessment results inform the admission decision.

4. Admission Decision and Notification. The Head of School, with input from Programme Coordinators and the Learning Support Team, reviews applications and assessments to make admission decisions. Decisions are communicated promptly to families. Where appropriate, families are informed about next steps and timelines for enrollment.

5. Enrollment and Orientation. Accepted students complete enrollment formalities, including submission of any outstanding documents and payment of fees, and participate in orientation sessions. Orientation introduces new families to the school community and programme expectations. Enrollment typically occurs before the September start; late enrollment is possible if places are available, and transfers are handled according to policy.
School Events
The school has not added events
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