International School Maastricht  The International School of Maastricht is based in the city of Maastricht in the south of Limburg, Netherlands. The school shares a building with the Bernard Lievegoed School, a Waldorf school for students of ages 12 to 18. The international school has about 300 pupils from different countries. The ISM is a secondary school which offers education for 7 years. For the first three years (Form 1-3) students follow a program in preparation of MYP (Middle Year Programme). Next two following years (Form 4 and 5) cover the MYP programme. Once students reach 16 it is their choice to continue in education as IB (International Baccalaureate) students.