Then, let us show you the criterias used in ranking universities in Nigeria which are as follows:

1. The university must be offering at least four (4) years undergraduate degree

2. The university must be chartered, licensed and accredited by the appropriate Nigerian Higher Education organization

3. They must be able to deliver courses predominantly in a traditional, face-to-face, non-distance education format

https://knowall.com.ng/100-best-universities-in-nigeria-2022/