Learn at home. Earn high school credits or your high school diploma (OSSD) online with TVO ILC, Ontario’s largest online accredited high school.

Are you looking to upgrade your high school marks? Earn credits toward your Ontario Secondary School Diploma or post-secondary admission? No matter what age you are or where you live, we can help. TVO ILC is Ontario's largest online high school, providing flexible, affordable, accredited online courses.