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Where Potential Becomes Purpose

Established in 1963, Oslo International School is a vibrant international learning community serving students aged 3–18 from international and Norwegian families. We provide an education that nurtures both achievement and wellbeing, helping students enjoy learning, discover their strengths, and take their next steps with confidence.

  • We Care
  • We Respect
  • We Collaborate
  • We Innovate

Start YOUR Journey

Why Families Choose OIS

We believe students thrive when they are known, challenged, supported and inspired.
Discover what this means at OIS.

By the Numbers

98%

IB Diploma pass rate (global pass rate 81.3%) 

95%

of students earn admission to at least one of their top 3 choices of university

60+

years old - the most established international school in Norway

12-20

students per class - personalised focus

600

students across 13 year groups (aged 3-18)

50+

different nationalities from across the globe

+32%

of students graduated with bilingual diploma in 2025

Our Voices

OIS Teacher
OIS Teacher

"The best part of teaching is when a student finally understands a concept they've been struggling with, and their face lights up with understanding. It's a great feeling knowing you've made a difference.” OIS Teacher

OIS Parent
OIS Parent

"Choosing OIS for our kids was the best decision we've ever made. The school has given us an extended family and a safe and happy space for our children to grow." OIS Parent

OIS Student
OIS Student

"OIS has given me the tools to chase my dreams and the support to make them a reality.” OIS Student

Inspired Learning

From the early years to the internationally recognised IB Diploma Programme, OIS provides a rigorous and balanced education within a school culture that values cooperation and global awareness. Supported by exceptional teaching and personalised learning, students are encouraged to discover and develop their unique potential. Excellent results in national and international examinations reflect the strength of our academic programme and learning environment. 

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Pre-School

Pre-School provides a nurturing environment that is interactive and stimulating. Our young learners explore and discover through hands on experiences, leading to independence, courage and curiosity. 

Primary

Years 1 to Year 6 follow a quality literacy scheme, a comprehensive maths programme and an enquiry-based, integrated thematic approach to the International Primary Curriculum.

Lower Secondary

The Lower Secondary Programme aims to develop the attributes in young people to enable them to understand and manage the complexities of the world and to help them be ethical students, competent adults, and responsible global citizens.

Upper Secondary

The Upper Secondary Programme is a cohesive, balanced and challenging 3-Year course of study (Pre-IB to IB2), with final examinations that prepare students for success at university and employment. 

News Nuggets from OIS