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Excellence in Education for Over 60 Years

Established in 1963, Oslo International School is a leading educational community that serves students ages 3 to 18 from international and Norwegian families. Through a vibrant and supportive learning environment and a top-tier academic programme, we prepare students for success in the interconnected global landscape.

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

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By the Numbers


IB Diploma pass rate over last 5 yrs. IB score 20% above global average.


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


years old - the most established international school in Norway


students per class - personalised focus


students across 13 year groups (aged 3-18)


different nationalities from across the globe


of students graduate with bilingual diploma in 2023

Our Voices

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

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

Learn with Us

OIS offers an internationally recognised curriculum in a school culture that emphasises cooperation and global awareness. Our rigorous and balanced academic programme helps every child develop their unique potential.  The excellent results our students achieve in national and international exams are testament to our effective teaching and nurturing learning environment.

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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. 


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