Riverside/San Bernardino Chapter
For schools in the following ZIP codes:
91709, 91720, 91739, 91752, 92201-26, 92234-42, 92253-80, 92284-99, 92300-99, 92400-99, 92500-99, 92880
2027 Competition
Date and Location
February 6, 2027
8 a.m. to 3 p.m.
California Baptist University (Van Dyne Gym)
8432 Magnolia Ave.
Riverside, CA 92504
Coordinators
The Riverside/San Bernardino Chapter Competition is coordinated by:
Ken Discenza, PE, DM CSPE
619-540-7462
sitedesign@sda-pe.com
Autumn Wassink
951-552-8289
awassink@calbaptist.edu
2026 Competition
Date and Location
Saturday, February 7, 2026
8 a.m. to 3 p.m.
California Baptist University
School of Business Building
8432 Magnolia Ave.
Riverside, CA 92504
Coordinators
The Riverside/San Bernardino Chapter Competition is coordinated by:
Ken Discenza, PE, DM CSPE
619-540-7462
sitedesign@sda-pe.com
Additional Contacts
If you have questions about the California MATHCOUNTS program in your area, please send a detailed email to CSPEEF Executive Director Heather Caya, at admin@cspeef.org.
If your question requires immediate assistance, please contact the National MATHCOUNTS Office at 703-684-2828 or info@mathcounts.org.
2025 Competition
Results
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
2024 Competition
Advancing Students
For the Riverside/San Bernardino Chapter in 2024, members of the top three teams and the top three finishers NOT on an advancing team advance to the Southern California State Competition.
| Team/ Ind. |
Student | School Coach |
|---|---|---|
| Team 1 | Scarlett Chen | Canyon Hills Junior High School Pamela Sensat |
| Team 1 | Leo Ioriya | Canyon Hills Junior High School Pamela Sensat |
| Team 1 | Andrew Lee | Canyon Hills Junior High School Pamela Sensat |
| Team 1 | Arjun Wazir | Canyon Hills Junior High School Pamela Sensat |
| Team 2 | Rebecca Li | Riverside STEM Academy Joshua Zonker |
| Team 2 | Marko Tsang | Riverside STEM Academy Joshua Zonker |
| Team 2 | Jeffrey Zou | Riverside STEM Academy Joshua Zonker |
| Team 2 | Samuel Zhao | Riverside STEM Academy Joshua Zonker |
| Team 3 | Stephen Chao | Townsend Junior High School Mary Beth Gibbons |
| Team 3 | Kai Ding | Townsend Junior High School Mary Beth Gibbons |
| Team 3 | Gavin Li | Townsend Junior High School Mary Beth Gibbons |
| Team 3 | Shayaan Monsur | Townsend Junior High School Mary Beth Gibbons |
| Ind. | Yifan Sun | Vermont Christian School Liangjie Shen |
| Ind. | Noel Barbero | Canyon Hills Junior High School Pamela Sensat |
| Ind. | Aarav Dasai | Canyon Hills Junior High School Pamela Sensat |
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.
| Team/ Ind. |
Student | School Coach |
|---|---|---|
| 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 |
Donations
2026
$50 — Zhenghe Zhang
$100 — Ye Li
$25 — Amy Stapler
$10 — Jett Ma
$10 — Balamurugan Velampalayam Kanagaraj
$100 — Joshua Wood
$25 — Anthika LohAmnuaikun
2025
$25 — Brooke Leslie
How to Donate
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
1104 Corporate Way
Sacramento, CA 95831
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:


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