| Monday, August 18, 2025 | Program Launch - Coordinator Packet Available |
| Monday, February 2, 2026 |
Registration Materials Deadline |
| Monday, February 9, 2026 | Projects due in zFairs |
| Friday, February 27, 2026 | Science and Engineering Fair Project Set-up and Judging | 7:00 a.m. - 5:00 p.m. Riverside Convention Center (3637 Fifth St., Riverside, CA) |
| Saturday, February 28, 2026 |
Riverside County Science and Engineering Fair Public Viewing l 8:30 a.m. - 12:00 p.m. |
| TBD | California Science & Engineering Fair TBD |
| Saturday-Friday, May 9-15, 2026 | International Science and Engineering Fair Phoenix, Arizona |
Science and Engineering Fair
The Science and Engineering Fair offers students in grades 4–12 the opportunity to design and present original scientific research or engineering projects. Students investigate real-world questions, apply the scientific method, and share their findings with judges and peers.
Outstanding projects advance to the California Science and Engineering Fair, with select students qualifying for national and international competitions.
For sponsorship inquiries, please visit our 2026 Student Academic Events Sponsorship page. For additional information regarding the 2025-2026 competition, please contact Yadira Chavelas.
2025-2026 Riverside County Science and Engineering Fair Handbook
Local Scientific Review Committee and Institutional Review Board
For information regarding the 2025-2026 competition, please contact Yadira Chavelas.
2025 Competition Highlights
Press Release: Top Scientists Named at Riverside County Science and Engineering Fair
The Riverside County Science and Engineering Fair is affiliated with the International Science and Engineering Fair and the Thermo Fisher Scientific Junior Innovators Challenge.
Contact
Yadira Chavelas
Administrator
ychavelas@rcoe.us
(951) 826-6570
Alyssa Juarez
Events Technician
ajuarez@rcoe.us
(951) 826-6613
Madelynn Knust
Events Technician
mknust@rcoe.us
(951) 826-6376
Report Abuse
Mandated reporting of child abuse or elder dependent adult abuse