Scientific article, 11 October 2018 Small Class Sizes for Improving Student Achievement in Primary and Secondary Schools: A Systematic Review Trine Filges , Christoffer Scavenius Sonne-Schmidt & Bjørn Christian Viinholt Nielsen Public school, Municipality, Economy, Children and youth, Intervention, Systematic methods Download Staged photo: Ole Bo Jensen/VIVE Contact Trine Filges Senior Researcher, ph.d., økonomi P: +45 33 48 09 26 tif@vive.dk