The decision was taken at a meeting of the academic council at the Senate Building of the university presided over by RU Pro-Vice Chancellor Prof Ananda Kumar Saha.
Confirming the decision, Prof Saha said the RU authorities will conduct its entry test for the students following its previous system.
Earlier in the day, Dhaka University (DU) authorities also decided not to join the integrated admission test system.
The decision was taken at a meeting of the academic council presided over by DU Vice Chancellor Prof Dr Md Akhtaruzzaman.
On February 10, Dhaka University Central Student Union (Ducsu) suggested the university authorities not to join the combined admission test system.
Meanwhile, Bangladesh University of Engineering and technology (Buet) and Chittagong University (CU) also decided not to join the uniform admission test.
On January 23, the University Grants Commission (UGC) decided to introduce a uniform entry test in all public universities across the country from the academic year 2020-21, aiming to reduce the plight of the admission-seekers and their guardians.