This document outlines the Erasmus+ program for school education sector mobility partnerships. It describes the types of projects which include strategic partnerships supporting innovation or exchange of good practices. School mobility partnerships aim to develop networks and increase capacity for transnational cooperation. Eligible projects must address priorities like improving basic skills or early childhood education. School mobility partnerships last 12-24 months for 2 or more schools in different countries and involve individual contracts per school. The application process involves partnership between schools and is submitted by a coordinating organization.