Thunder Mountain Middle School
🇺🇸 Official data · 2025Juneau, Alaska 99801 · Juneau Borough School District
#3 of 31 middle schools in Alaska
#4072 of 15,369 nationally
About Thunder Mountain Middle School
Thunder Mountain Middle School is a public middle located in Juneau, in the Juneau Borough School District school district of Alaska, United States. It caters for Grades 7–8. In 2025 it enrolled 574 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 66.7 out of 100, placing it in the top 50% of middle schools in United States and 3rd of 31 ranked middle schools in Alaska. Its strongest component is community advantage (fewer free/reduced-price lunch) (87th percentile), and its weakest is students per teacher (32th percentile).
Other published figures: enrollment 574.
There are 11 schools in Juneau; Thunder Mountain Middle School ranks 2nd of 10 scored schools there.
Success Index (US) breakdown
Each component is a percentile against middle schools across United States.
- Math proficiency (30%)–
- Reading proficiency (30%)–
- Community advantage (fewer free/reduced-price lunch) (25%)24%
- Students per teacher (15%)16.9
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
- 574
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 24%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 16.9
- Enrollment divided by FTE teachers; not class size.
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Schools near Thunder Mountain Middle School
Closest schools by straight-line distance, with their Success Index (US).
Kax_dig_oowu Heen Elementary School
Juneau · Public elementary · Grades PK–6
290 students · 487 m away
Sit Eeti Shaanax - Glacier Valley School
Juneau · Public elementary · Grades PK–6
322 students · 1.2 km away
Mendenhall River Community School
Juneau · Public elementary · Grades PK–6
308 students · 2.5 km away
Auke Bay Elementary
Juneau · Public elementary · Grades PK–6
353 students · 3.5 km away
Juneau-Douglas High School: Yadaa.at Kale
Juneau · Public high · Grades 9–12
1,018 students · 13 km away
Juneau Community Charter School
Juneau · Charter elementary · Grades K–8
71 students · 13 km away
HomeBRIDGE
Juneau · Public other · Grades PK–12
224 students · 13 km away
Montessori Borealis Public Alternative School
Juneau · Public elementary · Grades PK–8
205 students · 13 km away
Harborview Elementary
Juneau · Public elementary · Grades PK–6
349 students · 13 km away
Similar schools
Public middle schools in Alaska with a comparable Enrollment.
Mirror Lake Middle School
Chugiak · Public middle · Grades 6–8
571 students
Wasilla Middle School
Wasilla · Public middle · Grades 6–8
584 students
Palmer Middle School
Palmer · Public middle · Grades 6–8
563 students
Wendler Middle School
Anchorage · Public middle · Grades 6–8
602 students
Central Middle School of Science
Anchorage · Public middle · Grades 6–8
545 students
Tanana Middle School
Fairbanks · Public middle · Grades 6–8
523 students
Frequently asked questions
Is Thunder Mountain Middle School a good school?
Thunder Mountain Middle School has a Success Index (US) of 66.7 out of 100 (Top 50% of middle schools in United States) and ranks #3 of 31 in Alaska. 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 Alaska?
Thunder Mountain Middle School ranks #3 of 31 middle schools in Alaska and #4072 of 15,369 nationally on the Success Index (US) (2025 data).
How many students attend Thunder Mountain Middle School?
Thunder Mountain Middle School had 574 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 7–8. It is a public school.
What other schools are near Thunder Mountain Middle School?
There are 9 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.