[smt88]

I'm not an expert on this, but I heard once that even foreigners can get free college tuition in Germany. That might be wrong or inaccessible to you for some reason, but I think leaving your country by attending college would be ideal.

[BjoernKW]

Yes, that's an option.

You need a student visa or some of type of residence permit, though. If you're eligible depends on your country of origin. You also have to prove you'll be able to sustain yourself during your stay.

It's obviously temporary. Once you've finished your studies it's usually assumed that you return to your home country, unless you manage to find work with a local company, that is. The latter potentially opens up the opportunity for naturalisation or a permanent leave to stay.

Running a business might work, too but probably is more difficult because you'd have to prove that you're able to provide for yourself, which can be hard when just starting out. Still, there are options and special programmes for high-tech entrepreneurship.

[lowlevel]

Second hand knowledge, but I seem to think it was free for Germans, and they're expected to stay in the country something like 4 years after finishing.

[zefool]

Can confirm that there is no residency requirement tied to this. Universities are just public institutions here.

Not sure about tuition for foreign students.

[lixtra]

To be allowed to enter the country you still have to prove that you can sustain yourself. That means a scholarship or a bigger pile of cash.

[GlenTheMachine]

This is correct. You have to get admitted first of course.