Østensjø School is a primary school that offers collaborative didactics and learning technology, with a special focus on early intervention for children. The school has a special department called Soria Moria, which provides customized education for students with special needs. Østensjø School also has an activity school that offers various leisure activities, which gives students the opportunity to participate in a varied and stimulating environment after school.
The school is known for its involvement in national activities such as the BlimE dance, and it is a Heart Zone school, which means a focus on safety and well-being for all students. Østensjø School also offers a school health service and dental scheme, as well as an active collaboration between school and home, which contributes to a comprehensive follow-up of the pupils. The school is currently celebrating its 100th anniversary, marking its long history and tradition in the local community.