OMC student membership includes AMC 8, 10 & 12 competition, MathCON, MOEMS, and Purple Comet for the coming year.
- October 23, 2025
- Grade 3-6
- AMC 10/12 A
- November 5, 2025
- High School Students
- AMC 10/12 B
- November 13, 2025
- High School Students
- Nov 20, Dec 18, Jan 15, Feb 19, Mar 12 at 6:30PM & 7PM
- Elem. division : Grade 4-6 & Middle : Grade 6-8
- Included in OMC membership
- Jan 14, 2026 - Mar 6, 2026
- Grades 4-12
- Included in OMC membership
- January 22-28, 2026
- TBA
- Grade 6-8
- 1 AMC Included in OMC Membership
Math League for Grades 6, 7, and 8
- February 24, 2026
- 7:00 PM to 7:30 PM
- Included in OMC membership
- Thursday March 19, 2026
- Grade 1-12
- OMC Center Instructions
Girls Adventures in Math (GAIM)
- April 16, 2026
- Grade 3-8th Girls
- 5:00 - 8:00 pm
- In-person
Math League for Grades 4, 5, and Algebra Course 1
- April 30, 2026
- 7:00 PM to 7:30 PM
- Included in OMC membership
- January 23, 2025
- From 10:00 AM to 1:00 PM
- Middle and High-School Students