German Comprehensive School
All students stay within the same group of people as their „Klasse“ (class) from year 5 to year 9 or 10. They consequently have more time to learn together - catered to their individual needs.
From year 7 on, some subjects are being taught in courses in two different academic levels.
Students learn independently and effectively, develop a strong personality and reach their possible academic goal.
After completing classes at GAZ, students may proceed to sixth form schools or technical colleges or start a working career.
You can find more general information on the internet here: https://en.wikipedia.org/wiki/Comprehensive_school
The official info-site of the Hessian government:
http://www.igs.bildung.hessen.de/information/struktur.html
Translation by Anke Scholz