MIHS Campus High Traffic Events
High-traffic events at the high school, such as a PTSA board meeting or a Homecoming assembly, can impact traffic and parking at the high school. Below are the anticipated high-traffic events for the 2024-25 school year.
High-Traffic Events at Mercer Island High School
2025-26:
MIHS PTSA Board Meetings:
Oct 3rd, Nov 7th, Jan 9th, Feb 6th, Mar 13th, April 10th
MIHS PTSA General Membership Meetings:
Dec. 13, May 8
Assemblies:
Welcome: Sep 5th, 2025
Homecoming: Sep 26th, 2025
Veterans' Day: Nov 5th, 2025 (during Islander Hour)
Winter Sports: December 12th, 2025 (this is tentative as there is a scheduling conflict)
Spring Sports: Date TBD (Potentially March 13th)
Senior Assembly: June 5th, 2026
MISF Breakfast of Champions: April 28th - 6:30am-8am
Learn more about the transportation and parking needs and strategies for the North Mercer Complex.
(This document is updated annually in December):
Transportation Demand Management Plan TDMP for 2023-24

Contact Dispatch (206-236-3338) with questions.