The education in Germany  is free, unlike other EU countries and USA, Ukraine and Russia. And the level of German education is among the highest in the world. And the international rating of the higher education institutions indicate this.

In Berlin are located:

• 4 universities;
• 2 university clinics;
• 12 higher educational establishments;
• 70 research institutions.

You just need to get a student visa, that will not be a problem if you buy a housing.