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SCHOOL COMMUNITY·JUNEAU BOROUGH SCHOOL DISTRICT·NCES 020021010167

Thunder Mountain Middle School

3101 Dimond Park Loop, Juneau, AK 99801 · (907) 780-1900 · Juneau City and Borough
GRADES 07–08MIDDLE33-TOWNREGULAR SCHOOL574 STUDENTS
Enrollment
574
Middle
DISTRICT 460 · STATE 399
Student : Teacher
16.8:1
34 FTE teachers
DISTRICT 17.2:1 · STATE 17.5:1
Free / Reduced Lunch
24%
138 students
DISTRICT 23% · STATE 65%
Community
0
0 members
Enrollment and student:teacher ratio compared against other middle schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Grade 726847%
Grade 830653%
Student demographics
72%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 72% · STATE 71% · US 70%
White
25344%
DISTRICT 44% · STATE 47% · US 43%
Hispanic
549%
DISTRICT 10% · STATE 8% · US 30%
Black
20%
DISTRICT 1% · STATE 2% · US 15%
Asian
346%
DISTRICT 6% · STATE 5% · US 6%
Two+
12722%
DISTRICT 23% · STATE 14% · US 5%
Native American
9016%
DISTRICT 13% · STATE 22% · US 1%
Pacific Islander
142%
DISTRICT 3% · STATE 3% · US 0%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
29752%
Female
27748%

School pathway

Feeds from
Auke Bay ElementaryPK–06Harborview ElementaryPK–06KAX_DIG_OOWU HEEN ELEMENTARY SCHOOLPK–06Mendenhall River Community SchoolPK–06SAYEIK: GASTINEAU COMMUNITY SCHOOLPK–06SIT EETI SHAANAX - GLACIER VALLEY SCHOOLPK–06
Based on grade levels within Juneau Borough School District. Attendance zones can vary; confirm enrollment with the district.

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Schools most like Thunder Mountain Middle School

SchoolStudentsLow-incomeProficient
Thunder Mountain Middle School this school57424.0%N/A
Mirror Lake Middle School
Chugiak
57121.9%45.6%
Randy Smith Middle School
Fairbanks
41329.3%41.9%
North Pole Middle School
North Pole
63133.9%35.2%
Blatchley Middle School
Sitka
24130.7%54.5%
Gruening Middle School
Eagle River
79719.6%47.0%
Matched among Alaska middle schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.

Where Thunder Mountain Middle School ranks

Among middle schools
MeasureThis schoolIn Alaska
Enrollment
ranked largest first
574#9 of 35
Students per teacher
ranked fewest first
16.8:1#12 of 25
Diversity index
ranked most diverse first
71.9%#9 of 25
Free and reduced lunch
ranked highest share first
24.0%#25 of 29
Ranked against other public middle schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.

About Thunder Mountain Middle School

As a mid-sized middle-grades school, Thunder Mountain Middle School serves students in Juneau, Alaska. It enrolls 574 students in 2024-25. The grades offered are 7 through 8. It has 44% more students than the average for middle schools in Alaska (about 399).

Thunder Mountain Middle School is among 16 schools run by Juneau Borough School District, which serves 5,481 students.

The student body at Thunder Mountain Middle School has no majority group. White students lead at 44%. The remaining shares are 22% multiracial, 16% Native American, 9% Hispanic, and 6% Asian. Juneau City and Borough as a whole is about 63% White, so the school's share is lower. On a 0 to 100 scale, the school's diversity index is 72, compared with 70 nationally.

With 34.1 full-time-equivalent teachers, the student-to-teacher ratio is about 16.8:1. The ratio is within a point of the 17.5:1 average for middle schools in Alaska. Student poverty is often measured by lunch eligibility; at Thunder Mountain Middle School, 24% qualify for free or reduced-price lunch.

Five-year Census Bureau estimates for Juneau City and Borough show that the median household earns about $101,661 a year, the share of adults with a bachelor's degree or higher is 41%, and about 5% of people live in poverty. Juneau City and Borough has 16 public schools with about 5,481 students, including Thunder Mountain Middle School.

Less than a tenth of a mile separates Thunder Mountain Middle School from the closest public school, Thunder Mountain High School. Other public schools within five miles: 7.

The school's setting, by NCES definition, is Town: Remote: in a town far from an urbanized area.

This page is a place to ask questions and share updates about fundraisers, report cards, and school supplies at Thunder Mountain Middle School. Parents, students, alumni, and staff are welcome to post.

Juneau City and Borough at a glance

View full county profile
Population
31,794
Census ACS
Median income
$101,661
Household, ACS
Bachelor's+
41%
Adults 25+
Poverty rate
5%
Below federal line
Schools in county
16
5,481 students

Quick facts

School name
Thunder Mountain Middle School
District
Juneau Borough School District
Address
3101 Dimond Park Loop, Juneau, AK 99801
Phone
(907) 780-1900
County
Juneau City and Borough
Level
Middle
Grade range
07–08
Total enrollment
574
Teachers (FTE)
34
Student–teacher ratio
16.8:1
Free and reduced lunch
138 (24%)
Locale
33-Town: Remote
NCES ID
020021010167
Charter school
No
Virtual school
No

Related schools

Other schools in Juneau Borough School District
Other schools in Juneau
Other Thunder Mountain Middle schools

One other US public school is named Thunder Mountain Middle. Thunder Mountain Middle School is the largest of the 2.

Nearby schools

Frequently asked questions

About Thunder Mountain Middle School
How large is Thunder Mountain Middle School?
Thunder Mountain Middle School enrolls approximately 574 students in grades 07-08.
What grades does Thunder Mountain Middle School serve?
Thunder Mountain Middle School serves grades 07-08.
What is the student-teacher ratio at Thunder Mountain Middle School?
The student-to-teacher ratio at Thunder Mountain Middle School is approximately 16.8:1 (34 FTE teachers).
How diverse is Thunder Mountain Middle School?
Thunder Mountain Middle School reports a student body of 44% White, 9% Hispanic, 0% Black, 6% Asian, 22% Two or more.
Is Thunder Mountain Middle School public or private?
Thunder Mountain Middle School is a public K-12 school, overseen by Juneau Borough School District.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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