Excellent
#457 of 2,228 schools in WA
Top 21% in state
Mount Si High School
High School · Snoqualmie Valley School District
8651 MEADOWBROOK WAY SE, Snoqualmie, WA 98065
Enrollment
2,172
Student-Teacher
21.7:1
Score
8.0
Grades
9th – 12th
Enrollment
2,172
Student-Teacher
21.7:1
Score
8.0
Grades
9th – 12th
Data vintage
2022-23
Data vintage2022-23
How this school compares
Washington schools
#457 of 2,228
In Snoqualmie
#6 of 8
public schools
In district
#9 of 12
Snoqualmie Valley School District
Equity
9.3 / 10
Excellent
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Mount Si High School
High School in Snoqualmie · grades 9th – 12th. Start here, then compare fit against nearby and district options.
Two Rivers School
0.0 mi away. Use as a geographic alternative in the same move search.
Snoqualmie Parent Partnership Program
0.4 mi away. Use as a geographic alternative in the same move search.
About Mount Si High School
Mount Si High School is a public high school in Snoqualmie, WA, part of Snoqualmie Valley School District. Mount Si High School serves approximately 2,172 students, and covers grades 9th-12th, and has a 21.7:1 student-teacher ratio. Mount Si High School has a current MySchoolScout rating of 8.0 out of 10 and ranks #457 of 2,228 schools in WA.
Structured state assessment records for Mount Si High School show 74% math proficiency (multi-year average, 2009-2024) and 91% reading/ELA proficiency (multi-year average, 2009-2024).
- This school 8.0 · Excellent
- District avg 7.2
- WA avg 5.8
What Parents Should Know
Mount Si High School is a large school: 2,172 students. Size usually brings more course choices and activities than a smaller school can staff, but kids can also blend into the crowd. Ask how the school keeps students known and supported.
Mount Si High School runs 21.7:1 students to teachers, above the national average. That often means bigger classes. Ask how the school supports kids who need extra help, and whether there are teaching assistants or small-group time.
Score Breakdown
Full Profile · 4/4 metricsView breakdown
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Mount Si High School — Students at Mount Si High School score 73% proficient, which is above what's typical for similar communities (expected: 68%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
12.8%
Students qualifying for federal meal assistance
Test Scores WA SBA (2023-24)
Based on 29 test records from WA state assessments. About our data
Proficiency Trend
→ StableAverage proficiency (% at or above grade level) across Math & ELA over time.
Source: EdFacts (NCES) and state assessment data. Growth score: 8.7/10.
How Mount Si High School Compares
See how Mount Si High School performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Programs & Offerings
Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more
Location
8651 MEADOWBROOK WAY SE, Snoqualmie, WA 98065
Nearby Alternatives
Families considering Mount Si High School may also want to explore other high schools in the area. CLIP (rated 7.6/10, 9.9 miles away, in nearby Carnation), with a comparable rating. Another option is Two Rivers School (rated 6.4/10), a more accessible option. Additionally, Echo Glen School (rated 5.8/10, 4.0 miles away), a more accessible option. For more schools in Snoqualmie, see our Snoqualmie schools guide .
Nearby Schools
20 within 8.9 mi| School | Distance | Rating |
|---|---|---|
| Two Rivers School Snoqualmie | 0.0 mi | 6.4 |
| Snoqualmie Parent Partnership Program Snoqualmie | 0.4 mi | 8.2 |
| Snoqualmie Middle School Snoqualmie | 0.4 mi | 8.2 |
| Snoqualmie Elementary Snoqualmie | 0.3 mi | 9.6 |
| Snoqualmie Access Snoqualmie | 0.7 mi | — |
| North Bend Elementary School North Bend | 2.7 mi | 8.8 |
| Cascade View Elementary School Snoqualmie | 2.8 mi | 9.0 |
| Timber Ridge Elementary School Snoqualmie | 3.0 mi | 9.1 |
| Edwin R Opstad Elementary North Bend | 3.8 mi | 9.4 |
| Echo Glen School Snoqualmie | 4.0 mi | 5.8 |
| Fall City Elementary Fall City | 4.9 mi | 8.9 |
| Chief Kanim Middle School Fall City | 5.2 mi | 7.5 |
| Twin Falls Middle School North Bend | 5.8 mi | 7.2 |
| Tolt Middle School Carnation | 9.4 mi | 6.7 |
| PARADE Carnation | 9.9 mi | 7.3 |
| CLIP Carnation | 9.9 mi | 7.6 |
| Carnation Elementary School Carnation | 9.9 mi | 7.5 |
| Cascade Ridge Elementary Sammamish | 8.7 mi | 9.2 |
| Endeavour Elementary School Issaquah | 8.7 mi | 9.2 |
| Grand Ridge Elementary Issaquah | 8.9 mi | 8.9 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 98065 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$182,132
Median Home Value
$890,300
Median Rent
$3,052/mo
Population
16,061
College Educated
64.1%
Homeownership
84.7%
Avg Commute
30.2 min
Poverty Rate
0.6%
Median Age
38
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Camas High School Camas, WA | 8.0 |
| Inglemoor HS Kenmore, WA | 8.0 |
| Lake Washington High School Kirkland, WA | 8.0 |
| Redmond High School Redmond, WA | 8.0 |
| Woodinville HS Woodinville, WA | 8.0 |
| Ingraham High School Seattle, WA | 8.1 |
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.
Neighborhood Context
Powered by 
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 9th – 12th
- Enrollment
- 2,172
- Student-Teacher Ratio
- 21.7:1
- Teachers (FTE)
- 100
- Free/Reduced Lunch
- 12.8%
- Type
- regular
- Setting
- Fringe Town
- County
- King County
- Chronic Absenteeism (SY 2022-23)
- 28.6%
- Phone
- (425) 831-8100
Resources & Links
District
Snoqualmie Valley School District- District Enrollment
- 7,161
- Schools in District
- 13
- Per-Pupil Spending
- $17,506
- District Rank
- #9 of 12
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