Mount Si High School
high school in Washington, United States
Mount Si High School is a high school located in the Snoqualmie Valley in Snoqualmie, Washington and is a part of the Snoqualmie Valley School District.
History
According to the Seattle Times, Mount Si High School was founded as early as 1944, during World War II. The war affected the school, as six students died fighting in this war; then principal Miller B Stewart, who was also their Boy Scout scoutmaster, said "They were all good boys." Students in the school were praised for working to raise money for the war effort. Later graduates also served as leaders in the military in the 1990s. The Mount Si High School class of 1966 built a memorial for their classmates killed in action.
In the 1940s, Mount Si High School had between fifty-five and sixty-five students graduate every year. In 1952, the Snoqualmie School District allocated money to construct a new building for Mount Si High School.
Mount Si High School was used as a filming location in the television series Twin Peaks.
After the filming of Twin Peaks, Mount Si High School completed the building of a new campus and demolished the old one, starting in 2015. The new campus opened on September 7, 2019. The new campus has seven buildings, some three stories, with greenhouses on top.
The public source identifies “Mount Si High School” as high school in Washington, United States. This brief keeps that definition visible, then builds a research path around Mount, High and School.
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Chronology, provenance and viewpoint should be read together before a broad social or political interpretation is accepted. The source revision retrieved here is dated Jul 23, 2026. The linked authority identifier is Q6923633. Authority coordinates are 47.523, -121.817. 2 of 2 selected statements include explicit references; 1 carry qualifiers and 0 use preferred rank. The first chronological checks are 1944, 1966, 1952 and 2015.
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This entry incorporates text from “Mount Si High School” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.