I've been in Germany for a little over 4 weeks. In all of these 4 weeks I've been going to school. German high school is very different from high school back in the US.
In both American and German high school, there are required classes. Germans are particularly skilled in foreign language. From 6th grade on they usually start taking English, and then in 8th grade they are required to take another foreign language, usually French or Spanish.
They then take both foreign languages till 12th grade. Leaving most Germans with at least basic knowledge in 3 languages.
Class is run a lot differently here also. While in America the teacher gives a lecture for the full class time, I've never had that happen in my 4 weeks here. German class contains a lot more interaction between the teacher and the students.
In my school in the US, we usually have a test every week or close to that. In Germany, we usually only get one test per month for each subject. There's never multiple choice or true false in German schools. All tests are always essay or short response.
German school is in general more relaxed than American school.
It would be extremely hard for me to say which system I like better. I am used to the American system and I still miss it. It's more regimented and strict and I sometimes miss that orderliness.