Thunder Mountain Middle School
🇺🇸 Official data · 2025Enumclaw, Washington 98022 · Enumclaw School District
#94 of 363 middle schools in Washington
#3847 of 15,369 nationally
About Thunder Mountain Middle School
Thunder Mountain Middle School is a public middle located in Enumclaw, in the Enumclaw School District school district of Washington, United States. It caters for Grades 6–8. In 2025 it enrolled 506 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 67.7 out of 100, placing it in the top 25% of middle schools in United States and 94th of 363 ranked middle schools in Washington. Its strongest component is reading proficiency (85th percentile), and its weakest is students per teacher (3th percentile).
Other published figures: enrollment 506.
There are 8 schools in Enumclaw; Thunder Mountain Middle School ranks 3rd of 8 scored schools there.
Success Index (US) breakdown
Each component is a percentile against middle schools across United States.
- Math proficiency (30%)55%
- Reading proficiency (30%)70%
- Community advantage (fewer free/reduced-price lunch) (25%)29.6%
- Students per teacher (15%)24.1
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Thunder Mountain Middle School by the official sources.
- Enrollment
- 506
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 29.6%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 24.1
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 70%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 55%
- Share of tested students proficient or above (all students, all grades).
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Schools near Thunder Mountain Middle School
Closest schools by straight-line distance, with their Success Index (US).
Byron Kibler Elementary School
Enumclaw · Public elementary · Grades K–5
442 students · 1.5 km away
JJ Smith Elementary
Enumclaw · Public elementary · Grades PK–K
176 students · 1.9 km away
Enumclaw Sr High School
Enumclaw · Public high · Grades 9–12
1,333 students · 3.9 km away
Enumclaw Middle School
Enumclaw · Public middle · Grades 6–8
522 students · 4.3 km away
Southwood Elementary School
Enumclaw · Public elementary · Grades K–5
358 students · 4.4 km away
Sunrise Elementary
Enumclaw · Public elementary · Grades K–5
382 students · 4.7 km away
Westwood Elementary School
Enumclaw · Public elementary · Grades K–5
409 students · 5.3 km away
Elk Ridge Elementary
Buckley · Public elementary · Grades K–5
564 students · 6.7 km away
Glacier Middle School
Buckley · Public middle · Grades 6–8
999 students · 7.0 km away
White River Homeschool
Buckley · Public other · Grades K–12
0 students · 7.0 km away
Similar schools
Public middle schools in Washington with a comparable Enrollment.
North Pines Middle School
Spokane Valley · Public middle · Grades 6–8
504 students
Edmonds S. Meany Middle School
Seattle · Public middle · Grades 6–8
504 students
Deer Park Middle School
Deer Park · Public middle · Grades 6–8
503 students
Gray Middle School
Tacoma · Public middle · Grades 6–8
510 students
Coweeman Middle School
Kelso · Public middle · Grades 6–8
501 students
Amboy Middle School
Amboy · Public middle · Grades 5–8
500 students
Frequently asked questions
Is Thunder Mountain Middle School a good school?
Thunder Mountain Middle School has a Success Index (US) of 67.7 out of 100 (Top 25% of middle schools in United States) and ranks #94 of 363 in Washington. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Thunder Mountain Middle School rank in Washington?
Thunder Mountain Middle School ranks #94 of 363 middle schools in Washington and #3847 of 15,369 nationally on the Success Index (US) (2025 data).
How many students attend Thunder Mountain Middle School?
Thunder Mountain Middle School had 506 students in 2025.
Is Thunder Mountain Middle School a elementary school or a high school?
Thunder Mountain Middle School is classified as a middle covering Grades 6–8. It is a public school.
What other schools are near Thunder Mountain Middle School?
There are 10 schools within 15 km of Thunder Mountain Middle School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.