Riverside/San Bernardino Chapter

For schools in the following ZIP codes:

91709, 91720, 91739, 92201-26, 92234-42, 92253-80, 92284-99, 92300-99, 92400-99, 92500-99

2025 Competition

Date and Location

Saturday, February 1, 2025
8 a.m. to 3 p.m.

California Baptist University
School of Business Building
8432 Magnolia Ave.
Riverside, CA 92504

Download Information Sheet


The Riverside/San Bernardino Chapter Competition is coordinated by:

Dr. Ziliang Zhou
(951) 343-4681

Ken Discenza, PE, DM CSPE

Additional Contacts

If you have questions about the California MATHCOUNTS program in your area, please send a detailed email to CSPEEF Executive Director Jeanne Marie Tokunaga, CAE, at admin@cspeef.org.

If your question requires immediate assistance, please contact the National MATHCOUNTS Office at 703-684-2828 or info@mathcounts.org.

2023 Competition

Advancing Students

For the Riverside/San Bernardino Chapter, members of the top two teams and the top three finishers NOT on an advancing team will advance to the Southern California State Competition.

Student School
1 Ching-Chun Huang Townsend Junior High School
Mary Beth Gibbons
1 Shayaan Monsur Townsend Junior High School
1 Humza Shahzad Townsend Junior High School
1 Samuel Wu Townsend Junior High School
2 Lekha Aji Riverside STEM Academy
Joshua Zonker
2 Rebecca Li Riverside STEM Academy
2 Madelyn Wilson Riverside STEM Academy
2 Erica Yin Riverside STEM Academy
Ind. Alberto KoTafoya Non-School Competitor
Ind. Arjun Wazir Non-School Competitor
Ind. Elena Zhang E M Cope Middle School


MATHCOUNTS of California relies on local donations to run chapter competitions. Please help us grow the appreciation of math and problem solving among California middle school students. For a donation to benefit the entire state, click here.

To donate by check, please make the check out to:

MATHCOUNTS of California
333 University Ave., Suite 200
Sacramento, CA 95825

Please put the competition name in the memo line.

A receipt will be sent to the address on the check.

MATHCOUNTS of California is sponsored by: