Marin County high school loses four students in deadly crash, two others still hospitalized

by Kathleen Kirkwood, Bay City News April 22, 2025April 21, 2025

Archie Williams High School appears in a November 2024 Google Street View image. The San Anselmo campus is mourning the deaths of four students killed in a traffic collision Friday night, April 18, 2025, on San Geronimo Valley Road in unincorporated Marin County. Two other students were critically injured in the crash. (Google image)

A Marin County community this week is mourning four Archie Williams High School students who died in a collision Friday evening.

Tamalpais Union High School District officials on Monday released the names of the four girls as 9^th grade student Olive Koren and 10^th grade students Sienna Katz, Jocalynn Osborn and Ada Kepley.

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