· updated monthly
The five schools Frankfurt parents researched most this year, chosen from the 16 international schools in the city. 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.
Frankfurt International School (FIS) is a two-campus, English-language international school for ages 3 to 18, with Oberursel (Preschool–Grade 12) and Wiesbaden (Preschool–Grade 8) campuses in Germany. The school delivers the International Baccalaureate framework across the Primary Years Programme (PYP) and the Diploma Programme (DP), and also offers the IB Career-related Programme (IBCP) alongside an American Curriculum pathway. English is the principal language of instruction, with a German–English bilingual program available on the Oberursel campus from Grade 3. The Oberursel campus houses the Primary, Elementary and Upper School, and features the Stroth Center for Learning and Athletics, an Arts, Science and Technology wing opened in 2007, and an Auditorium opened in 2011. FIS was established in 1961 by six expatriate families and now serves about 1,800 students. The Primary Library holds over 12,000 titles and the Elementary Library over 16,000. Extracurriculars include the REAL Activities program, music ensembles, and service and sustainability clubs.
European School Frankfurt delivers the European Curriculum for ages 4 to 18, culminating in the European Baccalaureate. The school, part of the European Schools network, operates with language policy that assigns a dominant language at enrolment and delivers instruction in official EU languages through mother tongue sections and vehicular language sections. The campus houses nursery through secondary education across two buildings, with a Nursery P1–P2 modular building and a Main Building for Primary and Secondary, plus well-served canteens and a staffed Kiosk. The school offers four language sections—German, English, French and Italian—with Spanish added in 2018, and SWALS available where no language section exists. Facilities include a library serving all taught languages and a range of library events. The KiVa anti-bullying program reinforces wellbeing, while pupils engage in language study, intercultural projects and scientific work through project-based activities, theatre, music, art and sport. The school supports students through after-school programs.
International Bilingual Montessori School (ibms) in Frankfurt am Main was founded in 1996 as the city's first bilingual Montessori school. It serves Nido (18–36 months), Children's House (3–5) and Primary School (6–10) on a campus occupying 6,250 m² with 2,450 m² of outdoor space and a 1906 Art Deco villa. The school follows the Montessori method with mixed-age classrooms and a prepared environment, offering Montessori materials across mathematics, language, cosmic education and culture. The Primary curriculum runs from Entry Level through Primary Level (Grades 2–4) with two teachers per class and German–English bilingual immersion; Entry Level has no homework and Primary 2–4 complete most work during school hours. The Hessen curriculum provides academic grounding, while independence, critical thinking and responsibility are cultivated through daily planning, reflection and respectful community life. Off-campus learning occurs at Sinntal country house with immersive projects and outdoor activities. Extracurriculars include sports, arts workshops, trips, camps and community service.
accadis International School Bad Homburg is a non-profit gGmbH operating at SÜDCAMPUS Bad Homburg in Germany, serving ages 2 to 18. The school offers curricula including German Curriculum, Cambridge IGCSE, the International Baccalaureate Diploma Programme, the British Curriculum and EYFS for early years. In Grades 1–4 students study bilingually using the Hessian framework and Cambridge International Curriculum; Grades 5–10 follow a challenging international program with strong pastoral care; Grades 11–12 prepare for the IB Diploma, a university entrance qualification recognised in Germany and worldwide. The campus includes four of the six SÜDCAMPUS buildings; Secondary School moved to ONEaccadis building in 2023, with plans to expand the Sports Center. Facilities feature digital smartboards, science labs, art and music rooms, three libraries and a large cafeteria. Distinctive elements include a dual Bachelor's/Master's pathway with accadis Hochschule and a co-curricular program including Duke of Edinburgh, IT and robotics, theatre, choirs and sport.
ISF International School Frankfurt Rhein‑Main is a private day school serving students from age 3 to 18 on a single campus near Frankfurt. The curriculum blends a bespoke SABIS framework with IGCSE, the IB Diploma Programme, Cambridge IGCSE, Advanced Placement, and a German curriculum equivalent to the state of Hesse. English-medium instruction is complemented by German language study and an additional third language starting in Grade 6, with a broad array of languages available. The campus features dedicated science laboratories, art and music rooms, Interactive Whiteboards in core classrooms, a semi-Olympic swimming pool, an all-season running track, and multiple sporting facilities including tennis courts and a large sports hall. Student life is active through the SABIS Student Life Organization, offering 350–400 activities weekly across arts, sports, service, and leadership. The school emphasizes service learning, cross-cultural programs, and a structured pathway to university destinations worldwide, including ISF and international partner universities.
What’s on offer
The mix of programmes and teaching languages across all 16 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 875 students · based on the 4 schools that report enrolment.
Schools grouped by typical class size.
Average class size is 23.0 students · based on the 3 schools that report it.
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 13 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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