University of Gottingen

Yes, an average student can easily join the University of Gottingen. The requirement of the university is the student must have passed higher secondary school with a minimum of 55%. The requirements are not much, the student need:

1. Qualification Proof
2. English Language Proficiency
3. Academic transcripts
4. CV
5. Letter of motivation
6. Letters of recommendation
7. An Evaluation Fee of € 40.

The University of Gottingen hosts a significant number of international students, with approximately 4,500 students from 138 countries studying there, which is approximately 14.42% of the population. 

The university has 510 exchange partnership programs with universities in 90 countries around the world. Additionally, the university provides over fifty English-language Master's and PhD programs. This attracts students from all over the world.

The University of Bayreuth is generally known for its affordability, with no tuition fees for many of its programs. On the other hand, the University of Göttingen is also a free university in Germany that doesn't charge tuition fees for its students, although they will have to pay enrollment and registration fees. Therefore, both universities are considered affordable, with no tuition fees for many programs.