Needs Improvement
#2125 of 2,225 schools in WA
Thunder Mountain Middle School
Middle School · Enumclaw School District
42018 264th Avenue SE, Enumclaw, WA 98022
Enrollment
464
Student-Teacher
21.1:1
Score
3.7
Grades
6th – 8th
Enrollment
464
Student-Teacher
21.1:1
Score
3.7
Grades
6th – 8th
Updated
2022-23
Updated 2022-23
How this school compares
In Enumclaw
#8 of 8
public schools
Washington middle schools
#348 of 374
In district
#9 of 9
Enumclaw School District
About Thunder Mountain Middle School
Thunder Mountain Middle School is a regular public middle school located in Enumclaw, King County, Washington. Situated at 42018 264th Avenue SE, the school serves students from sixth to eighth grade. With an enrollment of 464 students and a student-teacher ratio of 21.1:1, Thunder Mountain provides personalized attention while fostering a supportive learning environment.
The academic performance at Thunder Mountain Middle School is rated 3.8 out of 10 by MySchoolScout and ranks as the 1717th school in Washington state among 2261 schools. The academic score stands at 5.5 out of 10, indicating areas where improvements can be made. In terms of proficiency levels, 54% of students are proficient or above in ELA/Reading, while 38% achieve this level in Math and 42% in Science.
Thunder Mountain Middle School is situated in a large suburban area, offering students access to community resources and amenities. The setting provides a blend of urban conveniences with the tranquility often associated with suburban living.
What Parents Should Know
The student-teacher ratio at Thunder Mountain Middle School is 21.1:1, which is higher than the national average. This may mean larger class sizes, so parents should ask about classroom support, teaching assistants, and how the school differentiates instruction for students who need extra help.
Score Breakdown
Full Profile · 3/3 metricsView breakdown
View breakdown
View breakdown
Thunder Mountain Middle School — Students at Thunder Mountain Middle School score 42% proficient, which is below what's typical for similar communities (expected: 58%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
29.1%
Students qualifying for federal meal assistance
Test Scores WA SBA (2023-24)
Based on 13 test records from WA state assessments. About our data
Proficiency Trend
↓ DecliningAverage proficiency (% at or above grade level) across Math & ELA over time.
Source: EdFacts (NCES) and state assessment data. Growth score: 2.8/10.
How Thunder Mountain Middle School Compares
See how Thunder Mountain Middle School performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has declined from 55% (2019) to 34.2% (2024). Reading/ELA proficiency has declined from 70% (2019) to 49% (2024).
Location
42018 264th Avenue SE, Enumclaw, WA 98022
Nearby Alternatives
Families considering Thunder Mountain Middle School may also want to explore other middle schools in the area. Glacier Middle School (rated 7.1/10, 4.4 miles away, in nearby Buckley), which scores notably higher. Additionally, Enumclaw Middle School (rated 5.0/10, 2.7 miles away), which scores notably higher. For more schools in Enumclaw, see our Enumclaw schools guide .
Nearby Schools
20 within 8.8 mi| School | Distance | Rating |
|---|---|---|
| Byron Kibler Elementary School Enumclaw | 0.9 mi | 7.9 |
| JJ Smith Elementary Enumclaw | 1.2 mi | 4.2 |
| Enumclaw Sr High School Enumclaw | 2.4 mi | 6.5 |
| Special Ed School Enumclaw | 2.6 mi | — |
| Enumclaw Middle School Enumclaw | 2.7 mi | 5.0 |
| Southwood Elementary School Enumclaw | 2.7 mi | 6.0 |
| Sunrise Elementary Enumclaw | 2.9 mi | 4.8 |
| Elk Ridge Elementary Buckley | 4.2 mi | 7.3 |
| Glacier Middle School Buckley | 4.4 mi | 7.1 |
| White River Special Ed Services Buckley | 4.4 mi | — |
| Westwood Elementary School Enumclaw | 3.3 mi | 7.4 |
| Black Diamond Elementary Black Diamond | 6.1 mi | 6.3 |
| Mountain Meadow Elementary Buckley | 6.1 mi | 8.3 |
| White River Early Learning Center Buckley | 6.2 mi | 4.6 |
| Sawyer Woods Elementary School Black Diamond | 7.4 mi | 5.0 |
| White River High School Buckley | 6.7 mi | 5.0 |
| White River Reengagement Program Buckley | 6.7 mi | — |
| RAINIER CHRISTIAN HIGH SCHOOL Auburn | 7.1 mi | 8.3 |
| Kentlake High School Kent | 8.2 mi | 4.0 |
| Wilkeson Elementary School Wilkeson | 8.8 mi | 6.9 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 98022 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$116,613
Median Home Value
$577,200
Median Rent
$1,626/mo
Population
22,135
College Educated
28.6%
Homeownership
80.7%
Avg Commute
33.7 min
Poverty Rate
6.4%
Median Age
43
Community Profile
The community surrounding Thunder Mountain Middle School has a median household income of $116,613. It is an area where 29% of adults hold a bachelor's degree or higher. The median home value in the area is $577,200, with a median rent of $1,626/month. The local poverty rate of 6.4% is relatively low. The average commute for residents is 34 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Central Kitsap Middle School Silverdale, WA | 3.7 |
| Tenino Middle School Tenino, WA | 3.8 |
| Hudtloff Middle School Lakewood, WA | 3.6 |
| Sierra Vista Middle School Sunnyside, WA | 3.5 |
| College Place Middle School Lynnwood, WA | 4.0 |
| Post Middle School Arlington, WA | 4.0 |
Frequently Asked Questions
Common questions about Thunder Mountain Middle School
What grades does Thunder Mountain Middle School serve?
Thunder Mountain Middle School serves students in grades 6th through 8th.
How many students attend Thunder Mountain Middle School?
Thunder Mountain Middle School has an enrollment of approximately 464 students.
What is the student-teacher ratio at Thunder Mountain Middle School?
The student-teacher ratio at Thunder Mountain Middle School is 21.1:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Thunder Mountain Middle School rank in WA?
Thunder Mountain Middle School is ranked #2125 out of 2,225 schools in WA.
What is Thunder Mountain Middle School's MySchoolScout rating?
Thunder Mountain Middle School has a composite rating of 3.7 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Thunder Mountain Middle School?
Based on the most recent state assessment data, Thunder Mountain Middle School has 38.3% math proficiency and 54.0% reading/ELA proficiency.
Is Thunder Mountain Middle School a charter school?
No, Thunder Mountain Middle School is not a charter school. It is a traditional public school operated by the local school district.
Is Thunder Mountain Middle School a Title I school?
No, Thunder Mountain Middle School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Thunder Mountain Middle School?
29.1% of students at Thunder Mountain Middle 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
- City Safety
- Elevated (1,493/100K)
FBI UCR 2024. City-level (Enumclaw). Data >1 year old.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 6th – 8th
- Enrollment
- 464
- Student-Teacher Ratio
- 21.1:1
- Teachers (FTE)
- 22
- Free/Reduced Lunch
- 29.1%
- Type
- regular
- Setting
- Large Suburb
- County
- King County
- Phone
- (360) 802-7492
- Data Year
- 2023–2024
Resources & Links
District
Enumclaw School District- District Enrollment
- 4,550
- Schools in District
- 10
- Per-Pupil Spending
- $16,411
- District Rank
- #9 of 9
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
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