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SCHOOL COMMUNITY·JUNEAU BOROUGH SCHOOL DISTRICT·NCES 020021000737

Thunder Mountain High School

3101 Dimond Park Loop, Juneau, AK 99801 · (907)780-1900 · Juneau City and Borough
GRADES 09–12HIGH33-TOWNREGULAR SCHOOL589 STUDENTS
·
allk12 Grade
Not graded

This school has no state test results for 2023-24 or 2024-25 to grade, which is common for schools that end before third grade. How grades work

Enrollment
589
High
DISTRICT 424 · STATE 373
Student : Teacher
17.6:1
29 FTE teachers
DISTRICT 13.5:1 · STATE 17.0:1
Free / Reduced Lunch
12%
71 students
DISTRICT 23% · STATE 65%
Community
6
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2023-24

GradeStudentsShare
Grade 916628%
Grade 1015025%
Grade 1113823%
Grade 1213523%
Student demographics
71%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 72% · STATE 71% · US 70%
White
—47%
DISTRICT 44% · STATE 47% · US 43%
Hispanic
—11%
DISTRICT 10% · STATE 8% · US 30%
Black
—0%
DISTRICT 1% · STATE 2% · US 15%
Asian
—8%
DISTRICT 6% · STATE 5% · US 6%
Two+
—19%
DISTRICT 23% · STATE 14% · US 5%
Native American
—12%
DISTRICT 13% · STATE 22% · US 1%
Pacific Islander
—3%
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.

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Test scores

AK STAR + Alaska Science 2023-24 . % Advanced + Proficient
English Language Arts
41.6%
AK avg 35.2%
Math
25.2%
AK avg 34.3%

What this means: On the AK STAR + Alaska Science, Alaska's statewide test, about 42 of every 100 students at this school read and write at grade level and about 25 of 100 do math at grade level. Across all Alaska schools, those numbers are about 35 and 34.

Source: AK STAR + Alaska Science. All students, all grades. See all years and grades →

Where Thunder Mountain High School ranks

Among high schools
MeasureThis schoolIn Alaska
Math proficiency
ranked highest first
25.2%#15 of 43
Reading proficiency
ranked highest first
41.6%#11 of 44
Enrollment
ranked largest first
589#17 of 72
Students per teacher
ranked fewest first
17.6:1#18 of 38
Diversity index
ranked most diverse first
71.3%#8 of 38
Free and reduced lunch
ranked highest share first
12.1%#44 of 45
Ranked against other public high 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.

6-year change

SY 2017-18 vs SY 2023-24
Enrollment
589
-112 (-16%) vs 2017
-8% since 2010-11, when it was 643
Student : Teacher
20.3:1
was 19.2:1
% White
47%
was 54%
% Hispanic
11%
was 7%
% Black
0%
was 1%
% Asian
8%
was 7%
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2023-245892920.3:112% (71)
2022-2358633.317.6:120% (119)
2020-215803317.6:1N/A
2017-1870136.519.2:119% (134)
2015-167053420.7:119% (131)
2010-116433518.4:120% (130)
Source: NCES Common Core of Data. Rows are the federal collections on file for Thunder Mountain High School.

Since 2017-18: students down 16% (701 to 589); teachers down 21% (36.5 to 29).

About Thunder Mountain High School

Thunder Mountain High School is a large high school in Juneau, Alaska, one of the schools in Juneau Borough School District. It has an enrollment of 589 students in grades 9 through 12. On average, high schools in Alaska enroll around 373, and this school is 58% larger than that mark.

Federal data list 16 schools in Juneau Borough School District, with 5,481 students enrolled.

White students account for 47% of enrollment at Thunder Mountain High School, more than any other group. Smaller groups are 19% multiracial, 12% Native American, 11% Hispanic, and 8% Asian. County-wide, 63% of Juneau City and Borough residents are White. The diversity index for Thunder Mountain High School is 71%. For US public schools as a whole it is 70%.

There are 29 full-time-equivalent teachers at Thunder Mountain High School, giving a ratio of 17.6:1. The ratio is within a point of the 17.0:1 average for high schools in Alaska. By family income, 12% of students are eligible for free or reduced-price lunch. That is lower than the 20% average for public schools in Juneau City and Borough.

In the surrounding county, Juneau City and Borough, the median household earns about $101,661 a year, 41% of adults hold a bachelor's degree or higher, and about 5% of residents live below the federal poverty line. Counting Thunder Mountain High School, Juneau City and Borough has 16 public schools.

Thunder Mountain Middle School is less than a tenth of a mile from Thunder Mountain High School, the shortest distance to any other public school. The five-mile area around Thunder Mountain High School holds 7 other public schools.

NCES describes the area around Thunder Mountain High School as Town: Remote, meaning in a town far from an urbanized area.

Between 2017-18 and 2023-24, Thunder Mountain High School had a net loss of 112 students, or 16%. White students made up 54% of enrollment in 2017-18 and 47% in 2023-24. The number of students per teacher increased from 19.2 to 20.3 over 6 years.

This page collects posts and questions about Thunder Mountain High School, such as fundraisers, report cards, and school supplies. Members of the school community can share what they know.

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 High School
District
Juneau Borough School District
Address
3101 Dimond Park Loop, Juneau, AK 99801
Phone
(907)780-1900
County
Juneau City and Borough
Level
High
Grade range
09–12
Total enrollment
589
Teachers (FTE)
29
Student–teacher ratio
17.6:1
Free and reduced lunch
71 (12%)
Locale
33-Town: Remote
NCES ID
020021000737
Charter school
No
Virtual school
No

Related schools

Other schools in Juneau Borough School District
Other schools in Juneau
Nearby schools

Frequently asked questions

About Thunder Mountain High School
What is the total enrollment at Thunder Mountain High School?
Thunder Mountain High School enrolls approximately 589 students in grades 09-12.
What age range does Thunder Mountain High School serve?
Thunder Mountain High School serves students from grade 09 through grade 12.
What is the student-teacher ratio at Thunder Mountain High School?
The student-to-teacher ratio at Thunder Mountain High School is approximately 17.6:1 (29 FTE teachers).
How diverse is Thunder Mountain High School?
Thunder Mountain High School reports a student body of 47% White, 11% Hispanic, 0% Black, 8% Asian, 19% Two or more.
Who oversees Thunder Mountain High School?
Thunder Mountain High School is overseen by Juneau Borough School District in Juneau City and Borough.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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