Be sure to read the season details on https://www.hsso.org/middle-high-school**PLEASE DOUBLE CHECK THAT YOU HAVE SELECTED THE APPLICABLE DIVISION AND REGIONAL. Errors in this form entry can potentially cause delays to your team, other teams, and tournament directors.
Schools may register any number of teams in Division B and C.
Schools may only enter a maximum of 2 teams in each Division to compete in the HSSO Regional Tournaments to compete for medals and advancement to the State Finals. However, teams may enter more than 2 teams at a Regional tournament; any teams beyond the 2nd team are not eligible for awards/medals nor count towards advancement to the State Finals.
Schools that qualify to advance to the State Finals Tournament in each division may only compete with 1 team at the State Finals Tournament.
Returning for the 2025-2026 season, HSSO will be assessing registration fees for all teams that a school registers in each division if registered by Oct 31, 2025.
*1st team registration fee: FREE!
*2nd team registration fee: $150
*Additional team registrations: $75/each
NOTE:
(1) The League system has been discontinued for the 2025-2026 season and beyond. All teams will be competing with each other at Invitational, Regional, and State Tournaments.
(2) The number of teams registered by a school at any invitational cannot exceed the amount the teams registered with HSSO (and subsequently National Science Olympiad); a team cannot exceed 15 members at any tournament and the composition of team cannot be changed during the day of the tournament but can be changed for subsequent tournaments.