There are many ups and downs in the Educational system in Africa notably in Nigeria, and getting a good university with a well organised, and structured academic system is no doubt on of the issues intending university applicants face today... Here are the top15 Government approved Universities and institutions that have been accredited, licensed and/or chartered by the appropriate Nigerian higher education-related organization.
https://www.marcelblog.com/top-15-best-universities-in-nigeria/