Ontario’s decision to keep students in school until they turn 18 has produced a measurable rise in high‑school diploma completions when compared with neighboring Quebec, officials say. The policy, first introduced in 2006, requires all secondary‑age learners to remain enrolled through their eighteenth birthday, a move that has been credited with boosting the province’s graduation numbers.
Education authorities in Ontario point to the combination of mandatory attendance, cooperative education courses and the establishment of "success teams" as key drivers behind the improvement. Cooperative programs give students hands‑on experience in workplaces while still in school, and success teams provide targeted support to keep learners on track. Together, these initiatives create a framework that encourages students to finish their secondary studies.
Mélanie Marquis, a representative of Ontario’s Ministry of Education, noted that the extended compulsory schooling age aligns with broader goals of preparing youth for the modern labour market. Josie Desmarais, a policy analyst familiar with the inter‑provincial comparison, highlighted that Quebec’s lower graduation figures are linked to its earlier school‑leaving age, which remains at 16 for most students.
Since the policy’s rollout, Ontario has consistently reported higher rates of secondary diploma attainment than Quebec. The data suggests that the additional two years of compulsory education, paired with the supportive structures of cooperative learning and success teams, give students more opportunity to meet graduation requirements.
The Ontario model is being watched by educators across Canada as a possible template for addressing graduation gaps elsewhere. While the province continues to refine its approach, the early results underscore the potential impact of extending compulsory schooling and providing coordinated support services for at‑risk learners.