Why Choose Ontario International School?
Choosing the right Ontario online school is about more than convenience. It is about finding a trusted academic pathway that supports where you are today and where you want to go next. Ontario International School (OIS) is a Ministry-inspected private online high school offering Ontario Secondary School Diploma (OSSD) credits to students in Canada and around the world.
At OIS, students don’t follow a one-size-fits-all path. Whether the goal is earning the full OSSD, completing individual credits, transferring previous credits, improving academic standing, or preparing for university, students receive flexible online learning and personalized academic guidance built around their individual goals.
Ministry-Inspected Ontario School
100% Flexible Online Learning
Personalized Academic Support
University-Focused Pathways
A Ministry-Inspected Ontario Virtual School
Ontario International School is a Ministry-inspected private online high school authorized to grant credits toward the Ontario Secondary School Diploma (OSSD). Our courses follow Ontario curriculum requirements, providing students with recognized Ontario secondary school credits that can support OSSD completion and post-secondary pathways in Canada and internationally.
BSID: 881793
Ontario Curriculum
Grades 9–12 courses aligned with Ontario curriculum requirements.
OSSD Pathways
Full diploma and individual course options.
Credit Transfer Options (PLAR)
Previous secondary school credits may count toward OSSD requirements.
Global Accessibility
Study online from Canada or anywhere in the world.
Flexible Learning Designed Around Your Life
OIS gives students the flexibility to progress through their studies at their own pace while balancing academics with personal, athletic, family, or professional commitments. Our online learning model makes Ontario secondary education accessible to students wherever they are.
- 100% Online Learning
- Self-Paced Flexibility
- Accessible Worldwide
- Continuous Enrollment
- Learn From Any Device
Personalized Academic Roadmaps
Every student’s academic journey is different. OIS provides personalized academic guidance and pathway planning to help students understand their credit requirements, plan toward OSSD completion, and prepare for post-secondary opportunities.
University Preparation
Receive guidance on prerequisites, competitive programs, and post-secondary planning.
Academic Support
Work with experienced educators who support your learning progress and success.
Flexible Pathways
Choose from full OSSD pathways, individual courses, credit transfer, upgrading, or credit recovery options.
Your Pathway Toward University Success
OIS helps students prepare for university admission in Canada and internationally. Through personalized course planning, prerequisite guidance, and Ontario Secondary School Diploma (OSSD) pathways, students can build the academic foundation needed for programs in engineering, business, health sciences, arts, and more.
What Our Students Say
Supporting Students Worldwide
Ontario International School serves students from diverse educational systems and countries around the world. Through online learning, international students can complete Ontario secondary school courses, transfer eligible previous credits, and work toward the Ontario Secondary School Diploma (OSSD) without relocating to Ontario for high school.
Ready to Build Your OSSD Pathway?
Whether you're working toward the full Ontario Secondary School Diploma, need individual credits, are transferring from another school system, or are planning your path to university, OIS can help you understand your options and next steps.
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