The Ontario University Application Timeline (G11–G12)
Every key date from the OUAC 101 application window to offer rounds — month by month.
Ontario applications run on a predictable annual clock, although the exact dates shift a little each cycle. If you know the dates in advance, the whole process is just checking boxes on schedule instead of a rush in the final weeks. Here's the real timeline, built around the OUAC 101 (Ontario high school) application cycle.
The big dates that matter
Applications for Ontario universities are made through the OUAC (Ontario Universities' Application Centre) 101 application, which opens in the fall. Your school's guidance office gives you the login details you need. The equal-consideration deadline falls in mid-January, but the exact date is set each cycle. For the 2026–27 cycle (Fall 2027 entry) it is January 15, 2027. Inside that window, most universities assess candidates on the grades they're seeing at the time — which is why your first-semester and midterm marks matter more than you might think.
Fall: Application opens
The OUAC 101 application opens in the fall. Timing varies by cycle, and your school will tell you when you can log in. You choose your programs and pay the application fee. The base fee covers three program choices, and each extra choice costs more. The fee is roughly $150–$160 for three choices plus about $50 per additional choice, but check OUAC's fees page for the current amounts. Most students look at program lists through October. Use this window to finalize your choices — you can add or adjust programs inside the application up to the deadline, subject to school-specific rules.
November: Apply early, if you're ready
Applying in November (rather than waiting until January) lets your midterm grades be considered in the earliest assessment rounds. Ontario high schools report midterm grades in November, so a November application means universities have those updated marks. It doesn't guarantee an early offer, but it gets you into the right pile for your target program's timelines.
December – January: Supporting evidence and deadlines
Many competitive programs require a supplementary application — the Waterloo AIF (Admission Information Form), a written statement, an interview, or a portfolio. Those have their own deadlines, usually from mid-January to mid-February (Ivey's AEO application, for example, is due the same day as the OUAC deadline). The OUAC equal-consideration deadline is in mid-January (January 15, 2027 for Fall 2027 entry). You can still apply after that date, but individual universities set their own later cutoffs and you lose the guarantee of equal consideration, so treat mid-January as your hard deadline.
Fall to late May: Offer rounds, then the June 1 decision
Offers go out in waves from late fall (limited) through the spring. The important thing to understand: offers are rolling and depend on the grades universities are seeing at each assessment. A late-semester improvement genuinely matters because many programs re-assess higher-level offers on updated marks. Final admission averages are calculated on the grades you have at the time of that program's last offer round. If you applied by the January deadline, you should hear from every university by late May. The earliest an Ontario university can require you to accept an offer or pay a deposit is June 1.
The best-6 reality
Most Ontario programs calculate your average on your top six Grade 12 U/M courses (your 'Best 6'). That means you don't need to be strong in every subject — you need your six best. Use the Grade Tracker here to project which six courses will carry you and where you still need to improve.
Key Takeaways
- The application opens in the fall. The equal-consideration deadline is mid-January (January 15, 2027 this cycle), but the exact date changes from cycle to cycle, so confirm it with OUAC.
- Complementary applications (AIF, statements, portfolios) have earlier deadlines. Don't miss them.
- Offers roll out through late May, and the earliest you can be required to accept one is June 1. Later marks can still improve your outcome.
- Programs use your top six Grade 12 marks, so protect your strongest courses.