Jar is a district in the municipality of Bærum, Norway. Its annual population change (2020 - 2025), was 1.1%.
It is served by the Jar rail station on the Kolsås Line. Etymology The name "Jar" comes, like Jæren, from old norse Jaðarr, meaning "edge". It's named this because it's at the edge of the deep valley of Lysakerelven. Famous people from Jar Andreas Prestmo - musician Jon Larsen - musician, composer, visual artist, researcher Per Frydenlund - musician Svein Aarbostad - musician Anders Beer Wilse - photographer Aleksander Hetland - swimmer Aleksander Aamodt Kilde - alpinist Education The main school at Jar is Jar skole, opened in 1926. It had 590 students in 2018. References