ISUtrecht is governed by two cooperating local school boards: SPO Utrecht (Stichting Openbaar Primair Onderwijs Utrecht) and NUOVO (Stichting Openbaar Voortgezet Onderwijs Utrecht). SPO Utrecht is the board for 32 non-denominational primary schools in Utrecht and NUOVO is the board for 8 non-denominational secondary schools in and around Utrecht. The SPO Utrecht and NUOVO work together closely in carrying out their board responsibilities for the two divisions of ISUtrecht
ISUtrecht has a strong cooperation with a Dutch ‘sister’ school – members of the Dutch International Schools are all affiliated to a national school. For primary, ISUtrecht is proud to be partners with the Daltonschool Rijnsweerd and for secondary, with UniC secondary school.