Oslo International School
International School in Oslo
Quick answer
Key facts
- Curriculum: IB taught at Oslo International School.
- Tuition: $2,095–$26,390/yr published in NOK, US$ equivalent.
- 63 nationalities top: Students come to OIS from across the globe with 58% from Europe, 22% from Asia, 15% from North America.
- Ages: Ages 3 to 18 school day starts at School starts at 08:45 in Primary and Lower Secondary. Some IB classes in Upper Secondary begin at 08:00..
- Accreditations: IBO, CIS, NEASC plus 1 more.
600
63 (Students come to OIS from across the globe with 58% from Europe, 22% from Asia, 15% from North America, 3% from South America, and 2% from countries in Africa and the Middle East.)
Not published
Rolling
1963
IBO, CIS, NEASC, ECIS
About Oslo International School
Founded in 1963, Oslo International School is a fully accredited independent international day school for students from 3 to 19 years of age (Pre-School to IB Diploma).
Learning & language support (SEN / EAL)
This school states some support, but key details aren't published — confirm the gaps below before applying.
Why this matters
Special-needs provision at international schools varies widely and is rarely guaranteed by the school itself — and local legal duties differ by country. Confirm what this school provides, in writing, before you commit.
- In-house specialist staff listed
- EAL/ESL support listed
Not published
- —Educational-psychologist availability not stated
Questions to ask the school
- Is an educational psychologist on staff or available by referral?
- Can you support a child with my child's specific need (e.g. dyslexia, ADHD, autism), and have you done so this year? Ask for concrete examples.
- Is there an additional fee for learning support or EAL — and how much per year?
- Is learning support guaranteed for the full enrolment, or can it be withdrawn later?
| Item | Amount |
|---|---|
| Annual tuition (USD) | $2,095–$26,390 |
| Annual tuition (NOK) | kr 22000-kr 277100 |
| Fee year | 2025-2026 |
| Est. all-in cost (modeled)how we calculate | $15,443(+8%) |
| Est. first-year total (modeled) | $16,943 |
| Cost position in Oslo | 100th percentile(premium tier) |
IB
Students in our Upper Secondary years graduate with the International Baccalaureate (IB) Diploma. Our students also perform extremely well in the International School Assessments and in the Norwegian Nasjonalprøver.
Excellent. Students at OIS consistently achieve high above the global average in the IB Diploma Programme, which is recognised as one of the most rigorous high school curriculums in the world. From 2019 through to 2023, our pass rate in the IB Diploma was 100%. In 2024, pass rate was 97%. The point difference has been widening year on year between the IB Diploma global mean score (30.3/45 in 2024) and the OIS mean score (37/45 in 2024).
French, Spanish and Norwegian
unknown
Yes, we offer English as an Additional Language and Support for Learning programmes.
Students who meet OIS' admission requirement but are in need of English language support will receive support from the ELL department.
School starts at 08:45 in Primary and Lower Secondary. Some IB classes in Upper Secondary begin at 08:00. – School finishes at 15:05. Some IB classes in Upper Secondary finish at 15:45.
We offer warm lunches (on a sign-up basis) three days per week.
The warm lunch service caters to those needs.
Imported from a directory listing and not independently verified — confirm fees and details with the school.
At a Glance
Fee Position in Oslo
Mid-rangeSchool Profile
Class size: Not published
Student Diversity
Very diverse
Common: Students come to OIS from across the globe with 58% from Europe, 22% from Asia, 15% from North America, 3% from South America, and 2% from countries in Africa and the Middle East.
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Disclaimer: School profiles are source-backed decision aids, not endorsements or official rankings. Tuition figures are approximate and may not include registration fees, uniforms, transport, or exam costs. Always verify directly with the school before applying. WhereNext is not affiliated with any school listed. This is not admissions consulting, legal advice, or official school placement guidance.