A day conference of the CNRS MTN Unit 3 “Education” was held in the premises of the Inspé de Saint-Jérôme in Marseilles and on Zoom, on November 18, 2022, 9:00 am – 5:00 pm. The theme was: “Practices and devices in education: design, analysis, evaluation. Cross-perspectives on the implementation of multidisciplinary projects”. Program of the conference and some of the presentations below.