Calendar
View the 2026-27 meeting schedule. In-person meetings will take place at the University of Colorado Boulder.
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Math Enrichment · Grades 6–12
Colorado Math Circle
Interested in broadening your mathematical knowledge and sharpening your analytical thinking? Join the Colorado Math Circle for math talks and problem-solving sessions at the University of Colorado Boulder.
Join / Sign Up
To join our mailing list or sign up for math circle meetings, submit this registration form.
Sign up nowARML Team
High school students can try out for the Colorado team which will participate in the ARML Competition in Reno, NV.
Learn about Colorado ARMLBefore Your First Meeting
New participants should first submit this registration form. All students attending in-person meetings on the CU Boulder campus must also complete a signed waiver form before attending. For high school students attending Euler Group in-person meetings, there is a $30 registration fee for the academic year (first meeting is free, fee waiver is available for families needing financial assistance). There is no registration fee for the Galois Group (middle school).
Programs
Euler Group
- Math talks and problem-solving sessions
- Prepare for AMC 10/12, AIME, and ARML
- Participate in team contests
Galois Group
- Problem-solving sessions in Jan, Feb
- Prepare for MATHCOUNTS and AMC 8
- Participate in AMC 8
- No registration fee
Afterschool Program
- Thursdays, 4:15-5:30 pm, on Zoom
- High school and middle school groups
- More information
Recent News
Thirty-one Colorado students from 11 different schools competed in the 2026 ARML Competition at the University of Nevada Reno.
Congratulations to the math circle members who qualified for the 2026 USAMO and USAJMO!
Read more news