Database international school system characteristics and flexibility indicators: Manual

This manual accompanies the dataset ‘International Flexibility Dataset’. The dataset contains information on a range of country-level variables that were used in the analyses of Somers et al. (2023)1 and Somers and Van der Velden (2023)2. These two studies were conducted as part of the NRO-funded project on ‘How the flexibility of the Dutch educational system affects (social inequality in) educational outcomes’.