Updated December 23, 2018
No outside materials (notes, calculators, etc) are permitted in any event unless specifically stated in the event rules. Participants may not bring cell phones into any event room.
We've put all the information you need for each ESO at JHS event in one place. Download our 2019 Event Checklist with Rule Clarifications (PDF), complete with the time for each event, the number participants permitted, required and optional materials, and event rule clarifications and revisions. Look for an updated version with event locations in late January.