The Department of Teacher Education and School Development (ILS) is Norway's leading academic environment in the fields of Subject Didactics, Educational Leadership and school based research and development. The Department is Norway’s leading teacher education institution, qualifying teachers for secondary schools. In 2003 the Department was awarded a prize for quality in teaching from the Ministry of Education in Norway.

The Department of Teacher Education and School Development is in the forefront of school related research, with national responsibility for international research projects such as TIMSS and PISA . The Department is also responsible for the international project ROSE.

The Department offers Master Degree programs in Educational Leadership and Subject didactics (Science and Mathematics, etc.,) and is responsible for the Teacher Education Programme at the University of Oslo.