70th Annual Orange County Science & Engineering Fair
Tentative Fair Schedule
Friday, September 6, 2024: (8:00am PST): Project Registration opens – Required for ALL projects! NOW OPEN OCSEF Online Application (See the Registration and Rules pages of our website for details)
Monday, February 3, 2025: (11:59 pm PST): Project Registration closes – Required for ALL projects. No exceptions.
Monday February 24, 2025: (11:59 pm PST): Project Submission closes – This includes the slide deck, lab notebook, and video. No exceptions. Project submission will be allowed only for students who have completed their project registration on or before the February 3, 2025 deadline.
Wednesday March 12, 2025: Project Judging for Board Awards (via Zoom)
Saturday March 15, 2025: Interviews for selection of ISEF projects, by invitation only (via Zoom)
Sunday March 23, 2025: Awards Ceremony at Chapman University (In-Person), check email for invitation sent to all students with judged projects
- Senior Awards Ceremony is 1-2:30pm
- Junior Awards Ceremony is 5-6:30pm
Saturday April 26, 2025: High School Conference at Chapman
Saturday & Sunday April 26-27, 2025: High School Hackathon at Discovery Cube
Affiliated Fairs Selection
- California Science & Engineering Fair: we will select 6th – 12th grade projects for CSEF 2025
- Thermo Fisher Junior Innovators Challenge: we will select 6th – 8th grade projects for TFJIC 2025
- International Science & Engineering Fair: we will select top 9th – 12th grade projects to represent OCSEF at ISEF 2025. **subject to change**