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).
OIS is located in modern, architecturally unique facilities in a green suburban neighbourhood close to a public transportation hub. A school bus service is on offer to all children.

Lycée Français René Cassin d'Oslo is an international school open to all. LFO welcomes children between the ages of 3 and 18 whether they speak French or not.

Asker International School opened in August 2013 within the municipality of Asker kommune.
AIS has grades 1 to 10. The school offers the IB curriculum and it became an IB World School In Spring 2016. So far AIS has representation from over 30 nationalities within its school community and looks forward to expanding this representation to create a truly international environment.

Norlights International School Oslo, established in 2015, is a state-funded private school in Oslo, Skadalen.
As an accredited International Baccalaureate (IB) world school, NLIS implements the Primary Years Program (PYP), Middle Years Program (MYP) and Diploma Programme (DP). These programmes offer high-quality and challenging education for a worldwide community of schools, aiming to create a better, more peaceful world.

Deutsch-Norwegische Schule Oslo is recognized as an Excellent German School by German Authorities and had its Certificate renewed in 2019. The school Curriculum is recognized in both Norway and Germany from Primary School all the way up to High School. Upon graduating students will receive a German Abitur and a Norwegian Vitnemål.

The core values of Bjørnholt upper secondary school are Achievement, Equity & Inclusivity. We are a highly diverse school and therefore emphasize all students feeling of belonging in and out of the classroom. We meet students where they are both academically and socially. We prioritize a student-centered environment in our school. Students' voices are hear and no one shall feel alone. We accomplish this through a strong student government and student services team that includes counselors, social workers, student mediators, national social welfare agency advisors, our on-site healthcare team, and minority-identity counselors. We serve free breakfast daily, arrange sports tournaments at school, cabin trips, girls'- and boys'-nights, and host theme evenings throughout the school year. We also offer homework help after school and "open school" during school holidays. Our mission is to support all students who enroll in Bjørnholt upper secondary school to realize their dreams and develop their academic potential.

Blindern Videregående Skole is public schools run by the Municipality of Oslo, and there are no fees.

Manglerud Skole - International Classes is a seperate entity under Manglerud skole. The program is taught in English following the IB programme curriculum. Norwegian is taught in two strands, one for beginners and another for more advanced students.