This list comprises the universities in Nigeria that have conducive learning environment, good structures,best designs, it doesn't really reflect on the performance of the school.
please note that the list might not contain some schools you think are cool,it might just be lacking one of the above criteria
From 10-1st position.
10.landmark university
9. Federal University of Agriculture Abeokuta
8. Ahmadu Bello University,Zaria
7. University of Benin
6. Covenant University
5. University of Ibadan
4. University of Nigeria,Nsuka
3. University of Lagos
2.University of Ilorin
1. Obafemi Awolowo University, Ile life
There are many others with conducive learning environment but I bet these ones mentioned stand out.