Welcome to GullSO Invitational!

Register your school! Participating Schools Apply to be an ES!


Registration is now OPEN! 

Our invitational will be held at Canyon Middle School in Castro Valley, CA on December 9, 2023.

Our tests will be written by a team of Alumni and other SciOly veterans -- no need for teams to provide them.

Rules will follow Regional-level requirements (if an event has additional topics at different levels).