Academic year 2026 – 2027

For contest details, times and registration deadlines, visit the contest calendar. CNML dates are TBD.

The school year on one page.

Classes run Sep 13, 2026 – Jun 26, 2027.

This week

Upcoming class sessions. Cancelled days are flagged.

Tue Oct 13

MPS 3 Math Problem Solving 6:30 PM ELC 2 English Language & Communication 2 6:00 PM ELC 3 English Language & Communication 3 7:30 PM
Wed Oct 14

MPS 7 Math Problem Solving 6:00 PM MPS 8 Math Problem Solving 7:30 PM MSE Math Middle School Advanced 7:30 PM
Thu Oct 15

MPS 4 Math Problem Solving 6:00 PM MPS 5 Math Problem Solving 6:00 PM MPS 6 Math Problem Solving 7:30 PM
Sat Oct 17

MHS Math High School 10:00 AM

Next up

The very next things on the calendar.

Sat, Oct 31 in 3 weeks Halloween ✕
Wed, Nov 11 in 4 weeks Remembrance Day ✕
Sat, Nov 14 in 5 weeks Bebras Challenge 12 pm ET / 10 am PT · 45 min · Register by Oct 24, 2026 ◆

The year at a glance

Each tile is a month. Coloured cells mark event days.

No class (holiday, break)
Contest day
CKSTEM milestone

Key dates

32 important dates across the year.

Sep 13 CKSTEM Classes Begin
Sep 30 National Day for Truth and Reconciliation
Oct 12 Thanksgiving Day
Oct 31 Halloween
Nov 11 Remembrance Day
Nov 14 Bebras Challenge
Nov 28 TIMO · Heat
Dec 21 – Jan 3 Winter Break (no classes)
Dec 25 Christmas Day
Dec 26 Boxing Day
Jan 1 New Year's Day
Jan 29 TIMO · Final
Feb 13 BBB · Heat
Feb 15 Family Day (Ontario)
Mar 1–30 Visual Art · Submissions
Mar 1–15 Public Speaking · Submissions
Mar 12 BBB · Final
Mar 13–21 Mar Break (no classes)
Mar 26 Good Friday
Mar 27 Public Speaking · Final
Mar 29 Easter Monday
Apr 1–16 Math · Contest window
Apr 1–16 Science · Contest window
Apr 1–16 Computing · Contest window
Apr 1–16 Writing · Contest window
Apr 24 HKIMO · Heat
May 24 Victoria Day
Jun 2027 Annual Award Ceremony
Jun 26 CKSTEM Classes End
Jul 1 Canada Day
Aug 2 Civic Holiday
Aug 27 HKIMO · Final

Class times — full week

All times Eastern. Use this as the canonical reference for your child's class schedule.

Monday

ELC 1 English Language & Communication 1 6:00 PM

Tuesday

MPS 3 Math Problem Solving 6:30 PM
ELC 2 English Language & Communication 2 6:00 PM
ELC 3 English Language & Communication 3 7:30 PM

Wednesday

MPS 7 Math Problem Solving 6:00 PM
MPS 8 Math Problem Solving 7:30 PM
MSE Math Middle School Advanced 7:30 PM

Thursday

MPS 4 Math Problem Solving 6:00 PM
MPS 5 Math Problem Solving 6:00 PM
MPS 6 Math Problem Solving 7:30 PM

Saturday

MHS Math High School 10:00 AM

Some contest dates are tentative — visit the contest page for confirmed details. Holidays follow the Province of Ontario statutory calendar.

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