What are the schools in Utrecht like?

"The International School Utrecht (ISU) is one of the best international schools in Utrecht. It is an independent, non-profit, co-educational day school offering an international curriculum for students aged 4 to 18. ISU offers a rigorous academic program that is based on the International Baccalaureate (IB) curriculum, and is accredited by the Council of International Schools (CIS). The school also offers a wide range of extracurricular activities, including sports, music, and art. The British School of Utrecht (BSU) is another excellent international school in Utrecht. It is a co-educational day school offering an international curriculum for students aged 4 to 18. BSU is accredited by the Council of British International Schools (COBIS) and offers a range of extracurricular activities, including sports, music, and art. The International Bilingual School Utrecht (IBSU) is a great bilingual school in Utrecht. It is an independent, non-profit, co-educational day school offering a bilingual curriculum for students aged 4 to 18. IBSU offers a rigorous academic program that is based on the International Baccalaureate (IB) curriculum, and is accredited by the Council of International Schools (CIS). The school also offers a wide range of extracurricular activities, including sports, music, and art," commented one expat when asked about in Utrecht.