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ISF International School Frankfurt Rhein-Main

Germany, Frankfurt

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· Reviewed by · Chief Marketing Officer

Independently researched by doris.
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The school at a glance
Instructs in English
Fees €14,850 - 24,410
Ages 3 - 18 years
Type Co-educational
Opened 1995
Bus Service Yes
Availability Not shared by this school
Academic offering
Curriculum IB (DP), Bespoke Curriculum, Cambridge IGCSE
Taught languages German, French, Spanish, Korean, Japanese
Strengths Sport, Performing Arts, Languages
Clubs Arts and Creative, Community and Service, Leadership and Professional
Stages Early Years, Primary School, Secondary School
Introduction

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.

Str. zur Internationalen Schule 33, 65931 Frankfurt am Main, Germany

Vibes and Culture
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The Essentials

ISF International School Frankfurt Rhein-Main has instruction in English.

Location
ISF International School Frankfurt Rhein-Main is located at Strasse zur Internationalen Schule 33, 65931, Frankfurt, Germany. It sits in the Frankfurt-Rhine-Main region and is easily accessible by train or car. The S-Bahn stops Sindlingen (S1) and Zeilsheim (S2) bring students within a five-minute walk of the campus. It is located near expatriate towns and villages in the Taunus hills.

Stages
Kindergarten and Preschool; Primary School (Gr. 1-4); Middle School (Gr. 5-8); High School (Gr. 9-12).

Type
Private day school.

Additional learning support
Learning support includes teacher-led study groups, peer tutoring, Power Study Sessions, and on-demand tutoring videos; Advisory Classes; Student Counseling; Health & Wellness services.

Country affiliation
Germany; German curriculum equivalent to the state of Hesse.

School day structure
Full-day program; optional after-school care for Kindergarten to Grade 4.

Bus service
Door-to-door bus service via private taxi companies; S-Bahn stops Sindlingen (S1) and Zeilsheim (S2) bring students within a five-minute walk of the campus; details on SABIS Digital Platform or via Admissions.
Diving Deeper
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Fees

Annual tuition at ISF International School Frankfurt Rhein-Main ranges from EUR 14,850 to EUR 24,410 for 2026/27.

Application and enrollment fees
- Enrolment Fee (new students): € 600.00 per student, billed with the tuition invoice for the new academic year.
- Re‑Enrolment Fee (returning students): € 200.00 per student, billed with the tuition invoice for the new academic year.
- Late Enrolment Fee: € 900.00 for students starting in Terms 2 or 3.

School place reservation fee
- A School Place Reservation Fee is payable to the school's mother company (ISF GmbH & Co. KG). The Fee is € 2,000 per child per year for each of the first three years a child attends ISF (total possible payment over three years € 6,000). The first € 2,000 is payable on registration; the second and third € 2,000 are due on June 15 of the year before the respective second and third school years. The first-year reservation payment is non-refundable and not prorated.

Tuition fees (annual and per-term)
- Tuition is charged by grade group and shown below as annual fee and as one-third (per instalment) when paid in three instalments:
- Kindergarten & Preschool: € 14,850 per year — € 4,950 per instalment.
- Grade 1–3: € 18,255 per year — € 6,085 per instalment.
- Grades 4–6: € 19,395 per year — € 6,465 per instalment.
- Grades 7–9: € 21,165 per year — € 7,055 per instalment.
- Grades 10–11: € 22,860 per year — € 7,620 per instalment.
- Grade 12: € 24,000 per year — € 8,000 per instalment.
- Grade 13 (where applicable): € 24,210 per year — € 8,070 per instalment.

Billing schedule and payment terms
- Tuition may be paid in one annual instalment (due in June) or in three instalments. When paid in three instalments the due dates are: one-third of the annual tuition plus the full Enrolment/Re‑enrolment Fee due by June 15; the second instalment due by September 15; the third instalment due by December 15. Tuition invoices are issued in May. Tuition invoices issued after December 1 are payable in full within two weeks of the invoice date. Ensure bank transfer charges are included with payments.

Discounts and reductions
- Family discounts (when children are enrolled at the same time): € 900 tuition discount for the second child; € 1,650 for the third child; € 2,400 for each additional child.
- Direct debit (SEPA) discount: € 150 total (€ 50 per instalment) is granted when tuition instalments are paid by SEPA direct debit on the due dates (or the first working day thereafter). The original SEPA mandate must be received at least 14 days before the first due date. This discount is not combined with the early-payment discount.
- Early-payment discount: € 300 is granted for full annual payment by the June due date (or within two weeks of invoice for new families enrolling between June 15 and Week 5 of Term 1).

Other costs and what is included
- Books: one set of books is provided per student per school year (may be digital, physical, or a mix) and are included in the tuition.
- Extra charges billed in addition to tuition: summer school fees, external examination fees, some after‑school activities, extra‑curricular trips, replacement of lost materials, and dress‑code/uniform items. Hot lunch and transportation are provided by outside firms and are billed separately.

Refunds and cancellation
- Cancellation: if a (Re‑)Enrolment application is withdrawn after July 15, a cancellation fee of € 1,800 in addition to the Enrolment/Re‑enrolment Fee will be charged. If withdrawn before July 15, the Enrolment/Re‑enrolment Fee is charged and retained.
- Leaving during the school year: at least one month's written notice before the beginning of the next term is required for withdrawal. Tuition paid in advance for unattended whole academic term(s) will be refunded; discounts already granted will be deducted from the refund. There is no refund for dis‑enrolment due to disciplinary measures or for instructional days lost for reasons beyond the school's control. A student who attends 5 weeks or more of a term is charged for the full term; attendance during the last 4 weeks or first 4 weeks of a term can trigger half‑term charges per the stated rules.

Overdue payments and surcharges
- If the school must send reminders for overdue tuition payments, an administration surcharge of € 50.00 per reminder will be charged.

Boarding
- ISF requires enrolled students to live with and be under the care of a parent or legal guardian for the entire period of enrolment; there is no boarding provision and therefore no boarding fees.

Fee payment options and bank details
- Accepted payment methods for tuition: SEPA direct debit (direct debit mandate valid for tuition payment) and bank transfer; tuition can also be invoiced to a company where company details are provided. SEPA direct debit requires a completed mandate submitted with the Enrolment Contract. Parents should include the Student ID number on all bank transfers. (No credit-card payment method is listed in the school's enrolment/payment documentation.)
- Bank transfer details (payable to ISF International School Frankfurt Rhein‑Main Verwaltungs‑GmbH): IBAN DE95 5007 0010 0093 4893 00; SWIFT/BIC DEUTDEFFXXX; Bank: Deutsche Bank, Rossmarkt 18, 60311 Frankfurt. Please ensure payments include all bank transfer charges and include the Student ID number on transfers.
Academics

ISF International School Frankfurt Rhein-Main teaches IB (DP), Bespoke Curriculum, Cambridge IGCSE for students aged 3 to 18.

Curriculum
ISF International School Frankfurt Rhein-Main offers a traditional core college preparatory SABIS curriculum with non-sectarian, English-language instruction. A third language is studied starting in Grade 6. For graduation, the school offers the ISF High School Diploma, IGCSE (end of Grade 10 or Grade 11), IB Diploma Programme (IB World School since August 2007), Advanced Placement (AP Capstone Diploma or individual AP exams), and A-Level (end of Grade 13; offered until the 2008-2009 school year).

Higher Education Progression
ISF provides a University & Careers Office to assist with university placement. Graduates have been admitted to universities worldwide, including institutions in Australia (Royal Melbourne Institute of Technology; University of Melbourne), Canada (University of British Columbia; McGill University; University of Ottawa; University of Toronto; University of Waterloo), Germany (RWTH Aachen; TH Aschaffenburg; University of Bayreuth; Charité – Universitätsmedizin Berlin; TU Darmstadt; Goethe University Frankfurt; Frankfurt School of Finance & Management; University of Mannheim; Johannes Gutenberg University Mainz), the United Kingdom (University of Cambridge; University of Oxford), and the United States among others.

Gifted and Talented
Gifted students who volunteer or are selected by teachers are trained to become Shadow Teachers®. Shadow Teachers exist in each subject and grade level, learn material a week ahead of their classmates, and may lead the class under teacher's supervision.
Wellbeing
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Parent Experience
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Facilities
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Extra-Curricular Activities
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Languages
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Reputation
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Admissions

Admissions
To initiate admissions, ISF must receive the completed enrollment documents. There is no application deadline; admissions should be initiated in late winter or early spring for the next school year. Applications are accepted throughout the school year until the beginning of May, subject to the availability of spaces. Applicants must provide current school records including transcripts, any test or exam results from the previous two years, and any psychological/neurological evaluations, and submit these forms to the registrar at the start of the admissions process. A final admissions decision cannot be made without this information. Admissions Checklist: contact for more information; schedule a school visit and tour; complete and return enrollment contract, Student Medical Form, copy of birth certificate or passport, and copy of school reports from the previous two years (if applicable); schedule placement tests (before or after enrollment); schedule a day visit (optional). Up to Grade 7 (and Grade 8 at the beginning of the school year) no knowledge of English is required for admission. For all grades no knowledge of German is required.
School Events
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