· updated monthly
The five schools Croatia parents researched most this year, chosen from the 10 international schools in the country. Ranked by how many families opened each school’s profile and spent time reading it between July 2025 and June 2026, then the full picture on curricula, class sizes and fees.
The 2026 ranking
Ranked purely by parent interest — the number of families who opened each school’s profile and spent time reading it between July 2025 and June 2026.
Split International School is an English-language international school in Dugopolje, near Split, Croatia. The school serves students from Grade 1 through Grade 12, offering both the IB Diploma Programme and an MSA-accredited American high school diploma. Tuition for 2025-2026 ranges from EUR 9,000 to EUR 17,000 per year and includes classroom materials, technology licenses, and daily meals. The school is accredited by the Croatian Ministry of Education and MSA (Middle States Association). Located in a Mediterranean setting with access to outdoor activities, the school provides dual international and domestic university pathways. An optional private bus service covers Split and surrounding areas. Need-based financial aid of up to 40% tuition reduction is available, alongside sibling discounts.
Matija Gubec International School is an IB World School in Zagreb, Croatia, offering two IB programmes in English: the Primary Years Programme (PYP) and the Middle Years Programme (MYP). The school serves learners from preschool through Grade 8, aged 3 to 16, with English as the language of instruction. In the PYP (delivered from preschool to Grade 4), learning is organised around Units of Inquiry and covers Language (English and Croatian), Mathematics, Science, Social Studies, Arts (Music, Visual Arts), Personal, Social and Physical Education, and Language Acquisition (English, Croatian, German, French, Italian). The MYP provides eight subject groups and includes Approaches to Learning, with English as the language of instruction and additional study in Croatian, German, French and Italian; ESL support is available. The school emphasises inquiry-based learning, intercultural understanding and global citizenship within a diverse community. Facilities include a library, eRegister and an after-school programme. FIRST LEGO League reflects STEM engagement.
Deutsche Internationale Schule Zagreb is a day school for ages 3 to 18 offering a bespoke, KMK-approved curriculum from Kindergarten to Abitur. It is part of German international school network and, together with the Zagreb French School, forms the Eurocampus Zagreb, with shared governance and joint projects. German is the language of instruction from kindergarten, and students study German, Croatian, English and French, with a strong emphasis on multilingualism. The school provides the Deutsche Internationale Abitur (DIA) and prepares learners for Mittlerer Abschluss and Abitur through Grundschule, Mittelstufe and Oberstufe. The academic program covers Mathematics, Informatics, Natural and Social Sciences, Languages, Art, Music and Sport. A science laboratory supports MINT activities such as Jugend forscht and visits to the University of Zagreb. On campus there is indoor sports hall and a library; expansion plans include a larger hall and an auditorium. Extracurriculars include robotics, music, dance, and the student council.
The British International School of Zagreb (BISZ) provides a UK-based international education for ages 3 to 18, with on-site boarding for students aged 13 to 19. The curriculum spans Early Years Foundation Stage, the International Primary Curriculum, and Cambridge IGCSE, Cambridge International AS and A Levels, all taught in English. In the Primary years BISZ uses IPC with six-week unit blocks covering science, health, history, geography, technology, art, music and international mindedness. Croatian Language and Culture is offered to foreign primary students from Year 2, with Croatian, Italian and German available as electives. The campus spans 25,000 m2 of outdoor space and 9,000 m2 of indoor space, featuring science labs, an ICT room, an art studio, a 165 m2 library, two sport halls and an indoor pool. An on-site boarding house provides 52 rooms with en-suite facilities and dining. BISZ holds accreditations from COBIS, CAIE, Cambridge Strategies, IPC and ISO.
AISZ is an independent, coeducational, non-profit day school in Zagreb serving ages 3–18. The PK-12 program blends an American-influenced international framework with the IB Diploma Program and AISZ diplomas, all built on inquiry and interdisciplinary learning. English is the language of instruction; world languages include French and German, while the IB offers Language A options in English, Croatian, French, German, and Chinese, and Language B options in English, French, and German (with ab initio). The school offers three high school diplomas: the IB Diploma, the AISZ High School Diploma, and the AISZ Honors Diploma (which includes a senior project). The Bridges Program supports inclusive learning, and English as an Additional Language is provided when needed. The Bundek campus is an A+ energy-rated building with zero CO2 emissions and power generation to the Zagreb grid, and houses two well-resourced libraries, three science laboratories, a fully flexible black box theater, dance and music spaces, art rooms, and extensive athletic facilities. AISZ emphasizes arts, athletics, and service through clubs and CEESA activities.
What’s on offer
The mix of programmes and teaching languages across all 10 schools. Many offer more than one curriculum, so totals run higher than the school count.
Number of schools teaching each curriculum.
Number of schools teaching in each language.
Size & classes
School size and class size shape day-to-day experience as much as curriculum does.
Schools grouped by total enrolment.
Average school size is 223 students · based on the 6 schools that report enrolment.
What it costs
Fees shown are one year for a 12-year-old (or the closest age available), excluding one-time enrolment costs.
Across the 10 schools that publish a price for a 12-year-old. All figures in EUR.
How many schools sit in each annual-fee range.
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