Association for primary and secondary education in het Gooi, Netherlands. 18 primary and 6 secondary schools, 6.500 students, 750 employees. focus: international/bilingual education and Creative Technology in the curriculum rigid academic tradition since 1921 Teachers that start working for one of our schools will get a two year program of masterclasses. Teachers who want to further develop their management skills can apply at the Alberdingk Thijm Teachers College to obtain a Master's degree.