30 April 1969,
They created Seaska: Federation of Ikastolas de Lapurdi, Nafarroa Beherea and Zuberoa. Several families and a teacher drive the first ikastola in Arrangoitz. Since then it has been one of the few guarantees of the right of the children of Iparralde to learn Basque, and thousands of children have passed through their centers. He has raised numerous quarrels with the French Ministries of Education, either by funding or by the right of students to pass exams in Basque, often with disobedience initiatives.