Shorecrest Lockdown: Serious Incident Reported at Shorecrest High School in Shoreline, WA

Shoreline, Washington — Law enforcement officers were reportedly responding to an ongoing incident at Shorecrest High School in Shoreline on Tuesday, September 22, 2026, prompting heightened activity around the school.

The school is located at 15343 25th Ave. NE, Shoreline, WA 98155, an address confirmed by Shoreline School District as the campus of Shorecrest High School.

Details about the nature of the incident remained limited as authorities responded. It was not immediately clear whether the situation involved a threat inside the school, an incident nearby, or another law-enforcement matter. No confirmed information about injuries, arrests or a suspect was immediately available.

Shorecrest’s official calendar shows that September 22 was scheduled as a regular E Day, with classes and a National Honor Society meeting listed on the school’s calendar. The official school website had not published an incident alert in the information available at the time of reporting.

The Shoreline Police Department operates through the King County Sheriff’s Office and advises residents to call 911 for emergencies.

Authorities are expected to provide additional information as the response develops. Until an official statement is released, details concerning the cause of the incident, any potential threat to students or staff, and whether a lockdown was formally ordered remain unconfirmed.

This is a developing situation, and information may change as officials release further details.