Dedicated to providing students around the world with a professional, engaging, and high-quality online learning experience, COA leverages its exceptional faculty, rich academic resources, and advanced online teaching platform to deliver the Ontario Secondary School Diploma program. Students benefit from flexible, self-paced learning, and upon completion of the required credits, are awarded the Ontario Secondary School Diploma issued by the Ontario Ministry of Education.

Through years of commitment to educational excellence, COA has earned recognition and trust from students worldwide. Our diverse student body includes learners from Canada, China, the United States, South Korea, Japan, Australia, Nigeria, Venezuela, Vietnam, and many other countries.

COA looks forward to welcoming you and supporting you on your online learning journey.