St. Sunniva School is a private Catholic primary and secondary school located in Oslo. The school was founded by St. Joseph Sisters in 1865 and has been an independent church foundation since 2008. The buildings that house the school are owned by the Oslo Catholic Diocese.
The school's aim is to meet the children with care while at the same time setting requirements for knowledge acquisition. St. Sunniva School has a motto that reads: "Love and joy shall guide our work", and the school has a belief that all children can develop into good people.