Grade 9-12 for Canadian Learners

The Ontario Secondary School Diploma (OSSD) is a high-standard and personalized academic program designed to prepare students to attend leading global universities by developing a path of strong literacy, critical thinking, and subject mastery, while fostering leadership, responsibility, and long-term academic purpose.

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Quality Canadian Education from Anywhere in the World

Sunray Academy of Canada delivers the Ontario Secondary School Diploma (OSSD) through a fully online school model that combines academic structure, human connection, and purposeful guidance. Our personalized online Ontario high school education is designed to illuminate your path from potential to purpose.

Structured Learning with Dedicated Teacher Support

Students follow defined course schedules aligned with Ontario Ministry of Education standards to ensure consistency, accountability, and academic progress. Regular Classes with Ontario Certified Teachers provide personalized guidance and feedback throughout the learning journey.

Ontario Secondary School Diploma (OSSD)

The Ontario Secondary School Diploma (OSSD) gives students a globally trusted high school bilingual education with rigorous courses, measurable progress, and direct guidance from Canadian & international teachers. With our program, families gain university access, English readiness, and flexible study options.

Academic Curriculum

The OSSD provides a comprehensive education with challenging subjects that develop advanced analytical skills and life skills.

English (ENG3U/4U)

Advanced development of textual analysis skills, written and oral communication, and critical thinking through complex literature.

Skills developed:

Mathematics (MCR3U/MHF4U)

In-depth study of advanced functions, calculus, algebra, and trigonometry with practical applications to real-world situations.

Skills developed:

Sciences (SCH3U/4U, SBI3U/4U)

Chemistry, Physics, and Biology with a focus on experimentation, data analysis, and understanding complex scientific concepts.

Skills developed:

Social Sciences (HSB4U, CIA4U)

Analysis of global societies and economies, developing critical perspectives on complex social phenomena.

Skills developed:

Business Studies (BBB4M, BOH4M)

Fundamentals of international business, leadership, management, and global market analysis with practical case studies.

Skills developed:

Computer Science (ICS3U/4U)

Programming, algorithms, and computer science with hands-on projects that develop advanced digital skills.

Skills developed:

View full curriculum

Transferable Skills:

The Foundation of Our Educational Approach

The Ontario Secondary School Diploma (OSSD) is distinguished by its emphasis on developing transferable skills such as critical thinking, communication, problem-solving, and independent learning—skills that prepare students not only for university, but for life beyond the classroom.

This learner-centred approach positions Canadian education among the most respected education systems globally, valued for producing capable, adaptable, and purpose-driven graduates. The OECD’s Programme for International Student Assessment (PISA) ranks the OSSD as a Top 5 education program globally, and Canadian-educated students score higher than the OECD average in mathematics, reading and science.

Programme for International Student Assessment (Source)

Ready to Study at the Best International Universities?

The OSSD is Recognized Worldwide

With Sunray Academy, earn a Canadian High School Diploma that stands out for its senior year. Valued for its STEM competencies and comprehensive academic profile, it is your ticket to world-renowned academic institutions.

OSSD Registration & Documentation

Once the student admission process has been completed, we follow the Ontario Registration process to complete enrollment.

Throughout the program, we report on each student according to Ontario Ministry of Education policies and timelines. Learn more about our processes below.

Graduation & Your OSSD Diploma

Sunray Academy of Canada students graduate with the Ontario Secondary School Diploma (OSSD), the official secondary school credential issued under the authority of the Ontario Ministry of Education in Canada. Sunray Academy of Canada is an inspected Ontario private school and the OSSD is recognized by colleges and universities across Canada and internationally, meeting Ontario’s rigorous academic standards.

For Ontario students, the OSSD provides a flexible, personalized pathway to graduation while maintaining full alignment with Ministry requirements for postsecondary admission in Canada. Wherever they begin their journey, our learners graduate with a diploma that meets Ontario standards and opens doors in Canada and around the world.