- Enrollment
- 1,018
- Students per teacher
- 31.8:1
- Resource Index
- 31/100
High school (grades 9-12) · Juneau, AK
Thunder Mountain High School
Federal NCES profile for Thunder Mountain High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 39/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 020021000737
👥 S:T ratio 29
🌟 Gifted program 70
🎓 Counselors 41
📋 Attendance 17
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Thunder Mountain High School earns 39/100 on the Resource Investment Index, with class sizes larger than 78% of Alaska schools.
- #2 of 3
- high schools in Juneau · Resource Index
- 39
- Resource Index · Typical
- 17.8:1
- large classes for Alaska
- 14.5%
- free-lunch eligible
Thunder Mountain High School has class sizes larger than 78% of Alaska schools. Computed live against every Alaska school reporting to NCES.
By Resource Investment Index, Thunder Mountain High School ranks #2 of 3 high schools in Juneau, AK.
School address
District: Juneau Borough School District · Alaska
NCES ID 020021000737 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+3 students YoY
Thunder Mountain High School held near 589 students from 2022-23 to 2023-24 (+3 headcount).
Teacher FTE lost 33.3 → 29.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+3 students YoY 020021000737 · Juneau, AK High · MID · TRAD
586 enr · 17.8:1 · 14.5% lunch · RII 39
Nearest enrollment peer: Juneau-Douglas High School: Yadaa.at Kalt (1,018 students)
Thunder Mountain High School held near 589 students from 2022-23 to 2023-24 (+3 headcount). Teacher FTE lost 33.3 → 29.0 across the same CCD years. Read with this school → · District book → · Alaska schools → · Find another →
Thunder Mountain High School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Juneau-Douglas
Juneau-Douglas High School: Yadaa.at Kalt
1,018 students
- This school
Thunder Mountain High School
586 students
- Dzantik'i Heen
Dzantik'i Heeni Middle School
454 students
- Floyd Dryden M 407
Floyd Dryden Middle School
407 students
- Auke Bay Eleme 353
Auke Bay Elementary
353 students
- Harborview Ele 349
Harborview Elementary
349 students
What this shows Thunder Mountain High School reports 586 students on the CCD universe file.
How Thunder Mountain High School compares
Thunder Mountain High School held steady on CCD headcount: ratios and free-lunch share vs Alaska and U.S. means.
| Metric | This school | vs Alaska | Alaska avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 17.8:1 | ▲ 17% | 15.2:1 | 15.7:1 |
| Free-lunch eligible | 14.5% | ▼ 76% | 61.5% | 51.7% |
| Enrollment | 586 | top 8% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
17.8:1
Leaner classes than 26% of US schools, heavier class loads than most.
586
Bigger than 71% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
14.5%
free-lunch eligible
- 76% below the Alaska average of 61.5%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
17.8:1
students per teacher
- 17% above state mean
Top 78% in Alaska - lower ratio than 22% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
33.1%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$20,767
per pupil, district-wide
- below Alaska avg of $33,705
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors2.0 FTE
Per 293 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 32 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 5.5 per 100 students. Reported via the Civil Rights Data Collection.
Programs
AP courses offered 9
Gifted & talented Yes
District finance for Juneau Borough School District reports $20,767 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Thunder Mountain High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Juneau-Douglas High School: Yadaa.at Kalt | Larger | Similar economic need | Higher S:T ratio |
| Dzantik'i Heeni Middle School | Similar size | Higher economic need | Similar S:T ratio |
| Floyd Dryden Middle School | Smaller | Similar economic need | Lower S:T ratio |
| Auke Bay Elementary | Smaller | Similar economic need | Higher S:T ratio |
| Harborview Elementary | Smaller | Higher economic need | Lower S:T ratio |
Comparisons are relative to Thunder Mountain High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 454
- Students per teacher
- 18.9:1
- Resource Index
- 26/100
- Enrollment
- 407
- Students per teacher
- 16.3:1
- Resource Index
- 31/100
- Enrollment
- 353
- Students per teacher
- 19.6:1
- Resource Index
- 30/100
- Enrollment
- 349
- Students per teacher
- 15.2:1
- Resource Index
- 35/100
Similar high schools in Juneau
2 comparable high schools (grades 9-12) serving the same city.
Nationwide high schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~586 students)
Similar student-teacher ratio (~17.8:1)
Frequently asked questions about Thunder Mountain High School
How many students attend Thunder Mountain High School?
Thunder Mountain High School has 586 students enrolled. It is a high school in Juneau, AK. CCD year-over-year: 586 (2022-23) → 589 (2023-24), nearly flat (+3).
What is the student-teacher ratio at Thunder Mountain High School?
The student-teacher ratio at Thunder Mountain High School is 17.8:1, which is 17% higher than the Alaska average of 15.2:1 and 13% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Thunder Mountain High School?
14.5% of students at Thunder Mountain High School are eligible for free lunch, compared to the Alaska average of 61.5%.
What is the Resource Investment Index for Thunder Mountain High School?
Thunder Mountain High School has a Resource Investment Index of 39/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Thunder Mountain High School rank among high schools in Juneau?
By Resource Investment Index, Thunder Mountain High School ranks #2 of 3 high schools in Juneau, AK. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Juneau on the city page.
What other schools are in Juneau Borough School District?
Besides Thunder Mountain High School, Juneau Borough School District also operates Juneau-Douglas High School: Yadaa.at Kalt (1,018 students), Dzantik'i Heeni Middle School (454 students), and Floyd Dryden Middle School (407 students). See the Juneau Borough School District district page for the complete list.