Dr. Ossai attended Bereton Montessori Nursery and Primary School in Port-Harcourt, Rivers State for her primary schooling, followed by the University of Port-Harcourt Demonstration Secondary School for her Secondary schooling. Dr Ossai had nine (9) distinctions in her Senior Secondary Certificate Exams including four (4) A1 grade.
She later studied Medicine at the University of Port Harcourt after a brief sojourn at a University in the Republic of Togo.
She graduated from the University of Port-Harcourt in 2013 with an MB. BS degree and was the best graduating student in her class having recorded the best results in Pathology, Obstetrics and Gynecology.
Dr. Ossai intends to pursue a post-graduate study in Public Health.