Miss Oseni attended St Mary’s School and Roemichs International  School, respectively, for her primary and secondary schooling, both in Ilorin Kwara State. She had nine (9) distinctions in the nine subjects she took in the SSCE exams, including 4 A1s.

She later attended Babcock University, where she studied anatomy and got a first-class honours degree with a cumulative grade point average of  4.71.