What are the schools in Cologne like?

"The International School of Cologne (ISC) is one of the best international schools in Cologne. It is an independent, non-profit, co-educational day school offering an international curriculum for students from pre-kindergarten to grade 12. The school is accredited by the Council of International Schools (CIS) and the New England Association of Schools and Colleges (NEASC). The school offers a rigorous academic program with a strong emphasis on the development of language skills, critical thinking, and problem-solving. The school also offers a wide range of extracurricular activities, including sports, music, and art. The bilingual school, the Internationale Schule Köln (ISK), is another excellent school in Cologne, Germany. It is a private, non-profit, co-educational day school offering an international curriculum for students from pre-kindergarten to grade 12. The school is accredited by the Council of International Schools (CIS) and the New England Association of Schools and Colleges (NEASC). The school offers a rigorous academic program with a strong emphasis on the development of language skills, critical thinking, and problem-solving. The school also offers a wide range of extracurricular activities, including sports, music, and art. The school also offers a bilingual program, with classes taught in both German and English," commented one expat when asked about in Cologne.