A 90% average is an excellent academic record and would make you a strong candidate for admission to the University of Toronto. However, admission to U of T is competitive, and meeting the minimum grade requirements does not guarantee acceptance. In addition to grades, the university considers factors such as the strength of your academic program, extracurricular activities, and supplementary application materials (if required). It's essential to research the specific admission requirements for your desired program and ensure that you meet or exceed those expectations.