Anecdotally, this is incorrect. Source: we have homeschooled our child in the past (though we are not right now), and we do not have extreme opinions that we want to foist upon them.
I realize I am a sample size of one, but you did say only.
Homeschooling a child pretty much involves taking the state to court for your right to do so.
German Wikipedia estimates the number of such cases (I assume before Covid) to below 3000 (Germany has 83m inhabitants).
Apart from that, it is seemingly indeed left to each state if and how to enforce compulsory schooling - they just all do it. They only differ in the ages/durations required [1].
[0] https://de.wikipedia.org/wiki/Hausunterricht#Deutschland [1] https://de.wikipedia.org/wiki/Schulpflicht_(Deutschland)#Dau...
Hey, we’ve all done it at some point in our lives so no worries, mate.
Thanks for answering though. I’m always curious how other Federal systems tend to function compared to the one I live in.