Average
#1400 of 2,228 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
5.7
Grades
6th – 8th
Enrollment
464
Student-Teacher
21.1:1
Score
5.7
Grades
6th – 8th
Data vintage
2022-23
Data vintage2022-23
How this school compares
Washington schools
#1,400 of 2,228
In Enumclaw
#6 of 8
public schools
In district
#7 of 9
Enumclaw School District
Academic growth
7.4 / 10
Very Good
Shortlisting around Thunder Mountain Middle School?
Use this profile as one decision point, then compare nearby options, source confidence, and commute fit before picking a neighborhood around it.
Shortlist starter
Start with these real page-level signals, then use the full table and map below.
Thunder Mountain Middle School
Middle School in Enumclaw · grades 6th – 8th. Start here, then compare fit against nearby and district options.
Byron Kibler Elementary School
0.9 mi away. Use as a geographic alternative in the same move search.
Jj Smith Elementary
1.2 mi away. Use as a geographic alternative in the same move search.
About Thunder Mountain Middle School
Thunder Mountain Middle School is a public middle school in Enumclaw, WA, part of Enumclaw School District. Thunder Mountain Middle School serves approximately 464 students, and covers grades 6th-8th, and has a 21.1:1 student-teacher ratio. Thunder Mountain Middle School has a current MySchoolScout rating of 5.7 out of 10 and ranks #1,400 of 2,228 schools in WA.
Structured state assessment records for Thunder Mountain Middle School show 49% math proficiency (multi-year average, 2009-2024) and 62% reading/ELA proficiency (multi-year average, 2009-2024).
- This school 5.7 · Average
- District avg 5.6
- WA avg 6.0
What Parents Should Know
Thunder Mountain Middle School runs 21.1:1 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.
30% of students at Thunder Mountain Middle School were chronically absent in the 2022-23 school year, above the national average. Chronic absenteeism means missing 15 or more school days, and at high rates it drags on classroom pacing for everyone. Ask what the school does to help families get kids to class consistently.
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 34 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: 7.4/10.
How Thunder Mountain Middle School Compares
See how Thunder Mountain Middle School performs across key quality dimensions compared to state benchmarks.
Funding & Resources
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 6.8/10, 4.4 miles away, in nearby Buckley), which scores notably higher. Additionally, Enumclaw Middle School (rated 5.4/10, 2.7 miles away), with a very similar rating. 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 | 8.2 |
| JJ Smith Elementary Enumclaw | 1.2 mi | 4.2 |
| Enumclaw Sr High School Enumclaw | 2.4 mi | 6.1 |
| Special Ed School Enumclaw | 2.6 mi | — |
| Enumclaw Middle School Enumclaw | 2.7 mi | 5.4 |
| Southwood Elementary School Enumclaw | 2.7 mi | 7.1 |
| Sunrise Elementary Enumclaw | 2.9 mi | 7.0 |
| Elk Ridge Elementary Buckley | 4.2 mi | 7.8 |
| Glacier Middle School Buckley | 4.4 mi | 6.8 |
| White River Special Ed Services Buckley | 4.4 mi | — |
| Westwood Elementary School Enumclaw | 3.3 mi | 8.3 |
| Black Diamond Elementary Black Diamond | 6.1 mi | 6.3 |
| Mountain Meadow Elementary Buckley | 6.1 mi | 8.9 |
| White River Early Learning Center Buckley | 6.2 mi | 4.7 |
| Sawyer Woods Elementary School Black Diamond | 7.4 mi | 6.1 |
| 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 | 3.9 |
| Wilkeson Elementary School Wilkeson | 8.8 mi | 8.1 |
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
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Centralia Middle School Centralia, WA | 5.7 |
| Endeavor Middle School Moses Lake, WA | 5.7 |
| Truman Middle School Tacoma, WA | 5.7 |
| Denny Yasuhara Middle School Spokane, WA | 5.8 |
| First Creek Middle School Tacoma, WA | 5.8 |
| Huntington Middle School Kelso, WA | 5.8 |
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 ranks #1,400 of 2,228 schools in WA.
What is Thunder Mountain Middle School's MySchoolScout rating?
Thunder Mountain Middle School has a current MySchoolScout rating of 5.7 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 Thunder Mountain Middle School?
Based on loaded state assessment records, Thunder Mountain Middle School has 49% math proficiency (multi-year average, 2009-2024) and 62% reading/ELA proficiency (multi-year average, 2009-2024).
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
Powered by 
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
- Chronic Absenteeism (SY 2022-23)
- 30.4%
- Phone
- (360) 802-7492
Resources & Links
District
Enumclaw School District- District Enrollment
- 4,550
- Schools in District
- 10
- Per-Pupil Spending
- $16,411
- District Rank
- #7 of 9
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 rateRelated reading
Get school insights in your inbox
New rankings, best-schools lists, and parent guides — delivered free. No spam, unsubscribe anytime.
We respect your privacy. Unsubscribe at any time.