By Dr. Harman Brah, MD · Judge, California Science & Engineering Fair
Middle school students can compete all the way to the California Science & Engineering Fair, which is open to grades 6 to 12. At Bay Area county fairs, grades 6 to 8 compete in the junior division, and the path runs through your county fair just as it does for high school.
ISEF itself is for grades 9 to 12, so for a middle schooler the state fair is the top of the ladder, and a strong start for high school research.
The path, by county
- Santa Clara County: the Synopsys Championship, March 4, 2027. New participants apply by January 8, 2027, and projects needing SRC/IRB pre-approval are due November 13, 2026.
- Alameda County: the Alameda County Science & Engineering Fair, judging Saturday, March 13, 2027 at Chabot College.
- San Mateo County: the San Mateo County STEM Fair, held virtually on Saturday, March 20, 2027.
- Contra Costa County: held each March at Los Medanos College in Pittsburg.
- State: the California Science & Engineering Fair in April.
Why start in middle school
A student who learns how to ask a testable question, collect real data and explain it to a judge at age twelve walks into high school research years ahead. The skills carry straight into Synopsys, ISEF and Regeneron STS later.
It matters for private school applications too. A project the student genuinely owns gives them something real to talk about in interviews and activity lists.
What a good middle school project looks like
A good project for a younger student ties an existing passion to one measurable question, collects real data, and shows it simply. It does not need to be advanced. It needs to be honest and the student’s own.
- Good: “Does the angle of a ramp change how far my skateboard rolls?” with repeated trials.
- Weak: a polished app or website that an adult obviously built.
The parent’s role
Keep the work at your child’s level. Help with rides, supplies and deadlines. Ask questions instead of giving answers. A project that looks parent-built is seen through quickly, and it costs the child the confidence that comes from doing it.
The rules still apply
Pre-approval rules apply to middle school projects too. A survey of classmates or a test given to volunteers needs review before any data is collected, and the deadline comes months before the fair.
We mentor middle school projects (grades 5 to 8) as well as high school. See our Junior track and the fair calendar, or read how to come up with a project idea.
FAQ
Can middle school students go to the California State Science Fair?
Yes. The California Science & Engineering Fair is open to students in grades 6 to 12, reached through the county fair.
Can a middle schooler compete at ISEF?
No. Regeneron ISEF is for grades 9 to 12. For middle school students the state fair is the highest level.
What division do grades 6 to 8 compete in?
At Bay Area county fairs, grades 6 to 8 compete in the junior division, and grades 9 to 12 in the senior division.
Does a middle school survey project need approval?
Yes. A project with human participants needs review before any data is collected.
More guides on this topic
- Synopsys Science Fair 2027: The November Deadlines That Come First
- Does My Science Fair Project Need IRB or SRC Approval?
- Can University Lab Research Go to the County Science Fair and ISEF?
- How to Come Up With a Science Fair Project Idea You Actually Care About
- ACSEF 2027: The Alameda County Science Fair Guide for Families
Planning a Science Fair or STS Project?
This guide is the general version. Work one on one with a physician who judges at the California state fair and a PhD chemist, on a project your student owns from the first question to the final poster.