GBSE Home

Gresham-Barlow STEM Expo
(formerly the Gresham-Barlow Science Expo)

The 2026 GBSE has concluded. A link to the awards presentation is at the bottom of this page. Thank you for a successful 2026 GBSE!

To register as a judge at GBSE , BHSE, or NWSE.:
Judge Registration: https://affiliatedfairs.org/fair_apps/
To register as a judge, you will need an account in the Affiliated Fairs Online System (AFOR).

The GBSE is scheduled for Friday, March 6, 2026 and will be held at Gresham High School. Students who participate in the GBSE will be eligible for awards and advancement to Northwest Science Expo (NWSE) on April 6, 2026, and the Regeneron International Science and Engineering Fair (ISEF), held in Phoenix, Arizona on May 9-15, 2026.

All projects must register by February 12, 2025 by 3 pm (review begins at 3:30 pm) and have an adult sponsor. Details below.

What is the Gresham-Barlow STEM Expo (GBSE)? (Link to Printable Copy)

The Gresham-Barlow Science Expo is one of 7 regional science expos that are affiliated with the Society for Science & the Public International Science and Engineering Fair (ISEF). The top third of projects from the GBSE qualify for the Northwest Science Expo (NWSE), the state-level science research competition for Oregon. Three projects from the GBSE and ~6 projects from the NWSE will qualify to compete at ISEF.

GBSE Student Schedule:

September-February 12th:

Check out information about NWSE and ISEF, review NWSE Rulebook, find an adult sponsor, determine eligibility for fair location, determine SRC procedure for your project (LINK).
Students should complete online registration and submit their research plan for approval BEFORE collecting data.

See ISEF 2026 Rules and Guidelines; after research plan approval, students can begin data collection.

Project Registration:
All projects must register by 3 pm on Wednesday, February 12, 2025.

Projects can only be registered through the Affiliated Fairs Online Registration (AFOR) website, and registrations must be done by the Adult Sponsor. https://nwse.org/online-registration/

Registration Fee

The registration fee is $20/project. If you are a GBSD student, your fee is paid by a generous grant from the Gresham-Barlow Education Foundation. 1)

1) Pay with a Check (no transaction fee):

Make Checks payable to PSU Foundation. Please put the student's name and/or project number in the check memo field. Mail to: NWSE-GBSE, PO Box 311, Banks, OR 97106.