The research team in Oxford are grateful for the support from the OECD team Tracey Bums and Harald Wilkoszewski, and Eli Sundbv and Annette Skalde from the Norwegian Ministry of Education and Research. Within the OECD Centre for Research and Educational Innovation (CERI) the preparation of this report was coordinated by Tracey Bums and Harald Wilkoszewski, with editorial support from Anna Barnet. The test scores from these schools were compared to the rest of the schools in Norway, consisting of approximately 1450 primary schools and 820 secondary schools. See Annex D for overview).