Mount Si High School Athletics

• Deb Hay - Principal, MSHS
• Chris Hill - MSHS Activities/Athletics Director
• Tammy Frederick, Athletic/Activities Administrative Assistant 

Mount Si High School Sports/Club Registration (Family ID)

Mount Si High School 2022-2023 Athletic Handbook 

Kingco Athletics 

Washington Interscholastic Activities Association (WIAA) - The Washington Interscholastic Activities Association is the governing body of athletics and activities for secondary education schools in the state of Washington.