STUDENT PARTICIPANT INFORMATION
Forms and Registration
OSSEF uses ISEF forms and rules (all grades). View links below for information and
resources on rules, required forms, and project materials.
YOUR OSSEF JOURNEY
THE STEPS TO STATE
A checklist for competing at OSSEF and tips for students as they begin their journey to state.
JUDGING CRITERIA
Review the criteria used to evaluate science and engineering projects at OSSEF and the International Science and Engineering Fair.
LOCAL LODGING
Hotel block information for OSSEF 2025
OSSEF YouTube
Confused about ISEF forms?
If you are interested in participating in the science fair, but are struggling with
the ISEF forms, take advantage of the OSSEF YouTube channel, which provides step-by-step
video tutorials.