Enrollment
1,693
Idaho · 2024-25 NCES data
High school (grades 9-12) · Idaho Falls, ID
Thunder Ridge High School
Federal NCES profile for Thunder Ridge High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 48/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 160093001097
👥 S:T ratio 11
📚 AP courses 95
🌟 Gifted program 70
🎓 Counselors 15
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Thunder Ridge High School earns 48/100 on the Resource Investment Index, with class sizes larger than 90% of Idaho schools. It is also one of the largest schools in Idaho.
- #7 of 7
- high schools in Idaho Falls · Resource Index
- 48
- Resource Index · Typical
- 22.3:1
- large classes for Idaho
- 13.9%
- free-lunch eligible
Thunder Ridge High School has class sizes larger than 90% of Idaho schools. Computed live against every Idaho school reporting to NCES.
By Resource Investment Index, Thunder Ridge High School ranks #7 of 7 high schools in Idaho Falls, ID.
School address
District: Bonneville Joint District · Idaho
NCES ID 160093001097 Verify on NCES CCD record →
Teachers (FTE)
76.0
Federal CCD staff survey
Students per teacher
22.3:1
vs 17.1:1 Idaho avg
+30% vs state
Free-lunch eligible
13.9%
vs 29.3% Idaho avg
-53% vs state
Student-teacher ratio in context
How Thunder Ridge High School compares with Idaho and U.S. medians
What stands out at Thunder Ridge High School
Thunder Ridge High School is a lower-poverty, large high school in Idaho Falls, Idaho, enrolling 1,693 students.
Class loads run heavy: 22.3:1 is larger than about 90% of Idaho schools and 30% above the 17.1:1 state mean, so each teacher carries more students than is typical.
Economic need runs somewhat below the state's typical profile, with 13.9% of students eligible for free meals.
By headcount it is one of the larger campuses in Idaho, bigger than 99% of state schools at 1,693 students.
Its Resource Investment Index lands in the lower third of 775 scored Idaho schools.
Against 37 statewide peers matched on enrollment and economic need, it ranks mid-pack at #19.
Its student body is led by White (78%) and Hispanic or Latino (18%) (diversity index 36/100).
On the academic-pipeline side it reports 19 Advanced Placement courses.
Counselor access is stretched at roughly 423 students per counselor, well above the ASCA-recommended 250:1 ceiling.
The surrounding Bonneville Joint District spends $8,318 per pupil, 30% below the Idaho average, a leaner-resourced district than most.
Its district draws 16.4% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
The federal civil-rights collection also records 1 expulsion at this campus for 2021-22.
Bonneville Joint District also operates Hillcrest High School (1,230 students) and Bonneville High School (1,176 students) alongside Thunder Ridge High School.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Thunder Ridge High School compares
Thunder Ridge High School on the metrics families compare, against Idaho and U.S. means.
| Metric | This school | vs Idaho | Idaho avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 22.3:1 | ▲ 30% | 17.1:1 | 15.7:1 |
| Free-lunch eligible | 13.9% | ▼ 53% | 29.3% | 51.7% |
| Enrollment | 1,693 | top 1% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
22.3:1
Leaner classes than 10% of US schools, heavier class loads than most.
1,693
Bigger than 97% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
13.9%
free-lunch eligible
- 53% below the Idaho average of 29.3%
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
22.3:1
students per teacher
- 30% above state mean
Top 90% in Idaho - lower ratio than 10% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Funding equity
$8,318
per pupil, district-wide
- below Idaho avg of $11,939
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors4.0 FTE
Per 423 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 17 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 1.0 per 100 students. Reported via the Civil Rights Data Collection. Includes 1 expulsion.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
White 77.8%
Hispanic or Latino 18.1%
Two or More 2.1%
Asian 0.6%
American Indian / Alaska Native 0.6%
African American 0.5%
Native Hawaiian / Pacific Islander 0.1%
Largest group: White at 77.8% of enrollment.
Student-body diversity index 36.1/100
Simpson diversity index - at 36.1, Thunder Ridge High School is about as mixed as the Idaho school average of 36.3.
Programs
AP courses offered 19
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Bonneville Joint District, which includes Thunder Ridge High School.
$8,318
Per student
-30%
vs Idaho
Avg $11,939
-50%
vs U.S.
Avg $16,593
Revenue mix
Local 19.2%
State 64.4%
Federal 16.4%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Thunder Ridge High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Hillcrest High School | Smaller | Similar economic need | Higher S:T ratio |
| Bonneville High School | Smaller | Similar economic need | Similar S:T ratio |
| Black Canyon Middle School | Smaller | Similar economic need | Lower S:T ratio |
| Iona Elementary School | Smaller | Similar economic need | Similar S:T ratio |
| Discovery Elementary School | Smaller | Similar economic need | Lower S:T ratio |
Comparisons are relative to Thunder Ridge High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,230
- Students per teacher
- 24.6:1
- Resource Index
- 30/100
- Enrollment
- 1,176
- Students per teacher
- 23.1:1
- Resource Index
- 33/100
- Enrollment
- 810
- Students per teacher
- 19.8:1
- Resource Index
- 37/100
- Enrollment
- 661
- Students per teacher
- 23.6:1
- Resource Index
- 25/100
- Enrollment
- 607
- Students per teacher
- 19:1
- Resource Index
- 31/100
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of Idaho, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~1,693 students)
Similar student-teacher ratio (~22.3:1)
Next steps
Verify locally before acting on Thunder Ridge High School's federal record.
- Compare Thunder Ridge High School against another school. Compare schools
- Bonneville Joint District's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Thunder Ridge High School
How many students attend Thunder Ridge High School?
Thunder Ridge High School has 1,693 students enrolled. It is a high school in Idaho Falls, ID.
What is the student-teacher ratio at Thunder Ridge High School?
The student-teacher ratio at Thunder Ridge High School is 22.3:1, which is 30% higher than the Idaho average of 17.1:1 and 42% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Thunder Ridge High School?
13.9% of students at Thunder Ridge High School are eligible for free lunch, compared to the Idaho average of 29.3%.
What is the racial and ethnic makeup of Thunder Ridge High School?
The largest demographic group at Thunder Ridge High School is White at 77.8% of enrollment, in Idaho Falls, ID.
What is the Resource Investment Index for Thunder Ridge High School?
Thunder Ridge High School has a Resource Investment Index of 48/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, AP course offerings, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Thunder Ridge High School rank among high schools in Idaho Falls?
By Resource Investment Index, Thunder Ridge High School ranks #7 of 7 high schools in Idaho Falls, ID. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Idaho Falls on the city page.
Is Thunder Ridge High School a good school?
Thunder Ridge High School earns 48/100 on the Resource Investment Index, with class sizes larger than 90% of Idaho schools. It is also one of the largest schools in Idaho. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Bonneville Joint District?
Besides Thunder Ridge High School, Bonneville Joint District also operates Hillcrest High School (1,230 students), Bonneville High School (1,176 students), and Black Canyon Middle School (810 students). See the Bonneville Joint District district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.