Excellent
#457 of 2,228 schools in WA
Top 21% in state
Mount Si High School
High School · Snoqualmie Valley School District · Snoqualmie, WA
A Snoqualmie Valley School District high school where students score 5 points above what's typical for similar communities.
8651 MEADOWBROOK WAY SE, Snoqualmie, WA 98065
- Math 58% vs WA 36% (2024)
- Reading 89% vs WA 56% (2024)
- 5/5 advanced STEM subjects
Academics
Full Profile · 4/4 metricsView breakdown
View breakdown
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Students at Mount Si High School score 73% proficient, which is above what's typical for similar communities (expected: 68%).
2024 SBA proficiency
Most recent published year. School vs. WA average.
Trend
↓ DecliningProficiency has fallen 7 points since 2018, to 73% in 2024, across a 16-year record (2009–2024).
Show all 13 years
Multi-year averages used by the rating model: math 74% (multi-year average, 2009-2024) · reading/ELA 91% (multi-year average, 2009-2024)
Based on 29 test records from WA state assessments and EdFacts (NCES).
Equity & diversity
Shown separately, not included in the overall scoreFree/reduced lunch
12.8%
Students qualifying for federal meal assistance
How we rate schools
A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.
See how we rateThe neighborhood
Where Mount Si High School sits, and what the surrounding area looks like.
Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries. Open the Seattle map →
Getting around & local context
- Walk 41Car-Dependent
- Bike 43Somewhat Bikeable
- City Safety: Elevated1,131/100K
Powered by
FBI Uniform Crime Reporting · 2024 · city context (Snoqualmie), not school-level safety or attendance eligibility. Source details
Source period: 2024. Freshness not available.
Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)
Median income
$182,132
Median home value
$890,300
Median rent
$3,052/mo
College educated
64.1%
Homeownership
84.7%
Poverty rate
0.6%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 98065; this is area context, not an attendance boundary.
Programs & students
Programs & Offerings
Compare nearby
Nearby same-level schools
3 from a 5-mile search; district fallback available
| School | Score | Grades | Distance | Enrollment | Compare |
|---|---|---|---|---|---|
| Two Rivers SchoolEnrollment path unverified | 6.4 | 9–12 | 0.0 mi | 60 | Compare → |
| Snoqualmie Parent Partnership ProgramEnrollment path unverified | 8.2 | K–12 | 0.4 mi | 195 | Compare → |
| Snoqualmie AccessEnrollment path unverified | Not rated | PK–12 | 0.7 mi | 16 | Compare → |
Distance is proximity only; it is not attendance eligibility.
Enrollment path unverified: Potential public school; its attendance or application path has not been classified.
Snoqualmie Valley School District
- Schools in district
- 13
- Rank in district
- #9 of 12
- District spending per student
- $17,506NCES F-33 · FY 2023 · This annual source is three years behind the current year.
- District child poverty rate
- 2.5%Census SAIPE · 2024
Mount Si High School is listed in Snoqualmie Valley School District; a district label does not verify attendance for an address.
About Mount Si High School
Mount Si High School is a public high school in Snoqualmie, WA, part of Snoqualmie Valley School District, serving approximately 2,172 students in grades 9th-12th with a 21.7:1 student-teacher ratio. It holds a MySchoolScout rating of 8.0 out of 10 and ranks #457 of 2,228 schools in WA. State assessment records show 74% math proficiency (multi-year average, 2009-2024) and 91% reading/ELA proficiency (multi-year average, 2009-2024).
Frequently asked questions
Common questions about Mount Si High School
What grades does Mount Si High School serve?
Mount Si High School serves students in grades 9th through 12th.
How many students attend Mount Si High School?
Mount Si High School has an enrollment of approximately 2,172 students.
What is the student-teacher ratio at Mount Si High School?
The student-teacher ratio at Mount Si High School is 21.7:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Mount Si High School rank in WA?
Mount Si High School ranks #457 of 2,228 schools in WA.
What is Mount Si High School's MySchoolScout rating?
Mount Si High School has a current MySchoolScout rating of 8.0 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at Mount Si High School?
Based on loaded state assessment records, Mount Si High School has 74% math proficiency (multi-year average, 2009-2024) and 91% reading/ELA proficiency (multi-year average, 2009-2024).
Is Mount Si High School a charter school?
No, Mount Si High School is not a charter school. It is a traditional public school operated by the local school district.
Is Mount Si High School a Title I school?
No, Mount Si High School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Mount Si High School?
12.8% of students at Mount Si High School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
School factsNCES Common Core of Data (CCD) (SY 2023–24)
- Grades
- 9th – 12th
- Enrollment
- 2,172
- Student-Teacher Ratio
- 21.7:1
- Teachers (FTE)
- 100
- Type
- regular
- Setting
- Fringe Town
- County
- King County
- Chronic Absenteeism (SY 2022-23)
- 28.6%
- Phone
- (425) 831-8100
- Area population (ZIP 98065)
- 16,061
- Area average commute
- 30.2 min
- Area median age
- 38
About this school's data
Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.
- School directory (enrollment, grades, staff, contact)
- NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
- Source period: SY 2023–24. A newer release may be available.
- MySchoolScout rating and rank
- MySchoolScout ranking model · Low confidence
- Vintage not available. Do not use this measure alone.
- Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
- Math proficiency
- State department of education · 2024 SBA · Low confidence
- Vintage not available. Do not use this measure alone.
- Available for part of the eligible units; results may not represent the full area.
- Derived from source records rather than read directly from one field.
- Reading/ELA proficiency
- State department of education · 2024 SBA · Low confidence
- Vintage not available. Do not use this measure alone.
- Available for part of the eligible units; results may not represent the full area.
- Derived from source records rather than read directly from one field.
- Student progress (growth)
- NCES EdFacts · Mixed source periods · Low confidence
- Vintage not available. Do not use this measure alone.
- Available for part of the eligible units; results may not represent the full area.
- Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
- Neighborhood (income, housing, education)
- U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
- Older source: ACS 2019–2023 5-year estimates. Use as historical context.
- Reported for the ZCTA for ZIP 98065; this does not measure the attendance area.
- Programs (AP/IB, athletics, gifted)
- CRDC via Urban Institute · SY 2021–22 · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: SY 2021–22. A newer release may be available.
Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2024; directory SY 2023–24
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