Complete in as little as 4–6 weeksStart anytime100% online
CHY4U is the Grade 12 University World History Since the 15th Century course — 600 years of global history tracing how the modern world took shape, from the age of exploration through revolutions, industrialization, world wars, decolonization, and globalization. An Ontario Ministry of Education-approved online course, CHY4U builds the historical thinking skills required by university humanities, social science, and law programs. Earn your OSSD credit at your own pace with flexible scheduling, no final exam, and support from Ontario Certified Teachers.
Credits accepted at every Ontario university, including
How it works
Course Curriculum
Course Information
| Course Code | HSB4U |
| Credit Value | 1.0 credit |
| Grade Level | 12 |
| Subject | Social Studies |
| Prerequisite | Any Grade 11 or 12 university (U) or university/college (M) preparation course in Social Sciences and Humanities, English, or Canadian and World Studies (Not sure if you qualify? Ask us →) |
| Delivery Method | 100% Online, Self-Paced. No scheduled classes or login requirements |
| Assessment | Assignments and teacher evaluations. No final exam. |
| Feedback Turnaround | Within 24 hours on weekdays |
| Typical Completion | 4–8 weeks (work at your own pace, no minimum) |
| Start Date | Enrol any day. Course access begins within 24 hours of payment |
| Official Transcript | Issued directly to you or your university by OEO |
"No final exam. No fixed schedule.
No compromises."
OEO is one of the only Ministry-inspected schools in Ontario that does not require a final exam. Your grade is based entirely on coursework: assignments and teacher evaluations assessed by your Ontario-certified teacher. You work at your pace, and your grade reflects your actual understanding of the material.
Student Stories
"OEO gave me not only the flexibility to do a course that was not an option at my school, but allowed me to do it at my own pace. I was able to get as much as I wanted done in one sitting, and even between long breaks I was able to come back with no confusion as to where I left off."
"I learned more at OEO than I did at my day school. At OEO, the teachers are extremely intelligent and supportive. The lessons are interactive and engaging, and the assessments are thorough and fair. The best part was that I was able to complete the work from anywhere and at my own pace."
"As a competitive athlete, I travel a lot for training and competitions. Ontario Education Online allowed me to complete my Grade 11 English course without missing a beat. The flexibility to study when and where I wanted was a game changer. This program made it possible to keep up with my education while pursuing my dreams."
"I was initially nervous about taking an online course, but Ontario Education Online made the process so easy. The platform was user-friendly, and I always felt supported by my teacher. Completing my math course with OEO gave me the confidence to go back to my normal school for grade 12 math. Thank you for making learning so accessible!"
As parents of a student who has completed a course with Ontario Education Online we would like to take this opportunity to thank Mr. Ramos for his continuous care, support and professionalism. Every step of the way our son was able to receive feedback and ongoing support. The ability to access course materials through platforms like Google Classroom made learning both convenient and efficient, helping develop strong organizational skills and time-management skills. This improved the overall learning experience. Our sons experience with OEO has been invaluable, and we would highly recommend it to others seeking a flexible and engaging learning environment.
"The teachers at Ontario Education Online were so responsive and supportive. Whenever I had a question about my Grade 10 History course, I received quick and helpful feedback. I was able to complete the course ahead of schedule and felt well-prepared for grade 11."
"I learned so much as each lesson was very detailed and used many different learning strategies to help me progress."
"OEO allowed me to build a flexible semester that fit perfectly with my training schedule, letting me keep competing at a high level while still staying on top of school. It helped me stay on the right path in both my academic and athletic goals."
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