Contests for Grade 11/12 students
Below you will find contests suitable for Grade 5/6 students. Interested students from these grades are also welcome to participate in contests designed for higher grades.
This contest is available in English only.
- Contest dates:
- North and South America:
- At UWaterloo: Wednesday, April 8, 2026
- In Schools: Thursday, April 9, 2026, or later
- Outside North and South America:
- In Schools: Thursday, April 9, 2026, or later
- North and South America:
- Ordering deadline:
- Registration deadline for the lottery to participate at UWaterloo: Thursday, November 20, 2025
- In-school event: Monday, April 6, 2026
These contests are available in English and French.
- Contest dates:
- North and South America: Wednesday, April 1, 2026
- Outside North and South America: Thursday, April 2, 2026
- Ordering deadline: Thursday, March 5, 2026
This contest is available in English and French.
- Contest dates:
- North and South America: Tuesday, March 31, 2026
- Outside North and South America: Wednesday, April 1, 2026
- Ordering deadline: Thursday, March 5, 2026
These contests are available in English and French.
The Pascal, Cayley and Fermat (PCF) contests are usually held in the month of February. Contest dates for 2026/2027 will be updated in May 2026.
This contest is available in English and French.
The Canadian Computing Competition (CCC) is usually held in the month of February. Contest dates for 2026/2027 will be updated in May 2026.
Tools and Resources for Grade 11/12 students
Explore our CEMC tools and resources that are designed for students in Grade 11/12. No registration or fee is required to access these materials.
Engaging math problems shared every week to enhance problem-solving skills.
A wide range of past CEMC contests and their solutions to familiarize yourself with the contest format, level of difficulty, and problem solving strategies.
Create your own sets of problems randomly chosen from past Gauss, Pascal, Cayley, and Fermat Contests useful for curriculum support and contest preparation.
Online mathematics and computer science materials featuring lessons, interactive activities, enrichment challenges, and opportunities for practice with feedback.
Monthly mathematical challenge that promotes deeper thinking and advanced problem-solving abilities.
The Mathematician Mosaic is a CEMC initiative dedicated to showcasing the invaluable contributions of mathematicians from diverse and underrepresented backgrounds. Through a collection of student-made biographical posters, our project seeks to shine a necessary spotlight on unsung achievements and foster more inclusive perspectives in mathematics.
Resources for educators designed to highlight important issues surrounding the use of technology in our world today.
Practice problems and study materials that help with preparation for the Canadian Senior Mathematics Contest (CSMC) and the Euclid Contest.
Thoughtfully crafted math problems that connect classroom learning to real-world applications.
Workshops for Grade 11/12 students
Explore our workshops that are suitable to Grade 11/12 students.
The Online Summer Problem Solving Course (SPSC) offers an immersive asynchronous learning experience for secondary school students, providing intensive mathematical problem-solving training led by experienced instructors.
Math Circles is a weekly enrichment program for students in Grades 6 to 12, taking place in the Fall and Winter. Math Circles is available both in-person and online. Students explore mathematical topics beyond the standard curriculum through direct instruction and problem-solving activities.
The Auckland workshop brings together high-achieving Grade 11 Canadian Senior Mathematics Contest participants from Canada for a week-long immersive experience. The workshop aims to foster connections, sharpen problem-solving abilities, and cultivate a deep passion for mathematics. Admission to this workshop is by invitation only.
CEMC stories
Our contests, programs, tools, and resources have a significant impact on students and educators worldwide.