The project aims to support the ability of school leaders and teachers to implement an evidence-based self-assessment system based on self-leading learners. Tallinn Education Board, Tallinn University, Tallinn 32. Secondary school, Pelgulinna Gymnasium, Tallinn Art Gymnasium. As a result of the project, schools have the ability to implement an evidence-based self-assessment system based on a self-leading learner and school teams are able to plan the stages of sustainability of change in schools in view of change.