Enrollment
1,381
Idaho · 2024-25 NCES data
High school (grades 9-12) · Twin Falls, ID
Twin Falls High School
Federal NCES profile for Twin Falls High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 28/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 160324000555
👥 S:T ratio 11
📚 AP courses 40
🌟 Gifted program 30
🎓 Counselors 31
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Twin Falls High School earns 28/100 on the Resource Investment Index, with class sizes larger than 90% of Idaho schools. It is also one of the largest schools in Idaho.
- #3 of 3
- high schools in Twin Falls · Resource Index
- 28
- Resource Index · Lower
- 22.3:1
- large classes for Idaho
- 13.1%
- free-lunch eligible
Twin Falls High School has class sizes larger than 90% of Idaho schools. Computed live against every Idaho school reporting to NCES.
By Resource Investment Index, Twin Falls High School ranks #3 of 3 high schools in Twin Falls, ID.
School address
District: Twin Falls District · Idaho
NCES ID 160324000555 Verify on NCES CCD record →
Teachers (FTE)
62.0
Federal CCD staff survey
Students per teacher
22.3:1
vs 17.1:1 Idaho avg
+30% vs state
Free-lunch eligible
13.1%
vs 29.3% Idaho avg
-55% vs state
Student-teacher ratio in context
How Twin Falls High School compares with Idaho and U.S. medians
What stands out at Twin Falls High School
Twin Falls High School is a lower-poverty, large high school in Twin Falls, Idaho, enrolling 1,381 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.
Comparatively few students face economic hardship here, 13.1% free-meal eligibility runs 55% below the Idaho average.
By headcount it is one of the larger campuses in Idaho, bigger than 97% of state schools at 1,381 students.
Its Resource Investment Index lands in the lower third of 775 scored Idaho schools.
Among 50 similarly sized, similarly resourced-need Idaho schools statewide, it ranks #45, in the lower tier once campus size and economic need are matched.
Its student body is led by White (77%) and Hispanic or Latino (17%) (diversity index 38/100).
On the academic-pipeline side it reports 8 Advanced Placement courses.
Counselor availability sits well past the ASCA benchmark, roughly 345 students sharing each counselor, though short of the most stretched campuses.
The surrounding Twin Falls District spends $8,807 per pupil, 26% below the Idaho average, a leaner-resourced district than most.
Its district draws 20.8% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Discipline events run high: 309 in- and out-of-school suspensions were reported for 1,381 students in the 2021-22 Civil Rights Data Collection.
The federal civil-rights collection also records 14 expulsions at this campus for 2021-22.
Twin Falls District also operates Canyon Ridge High School (1,445 students) and Vera C O'leary Middle School (758 students) alongside Twin Falls 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 Twin Falls High School compares
Twin Falls 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 | 13.1% | ▼ 55% | 29.3% | 51.7% |
| Enrollment | 1,381 | top 3% | - | - |
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.
1,381
Bigger than 95% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
13.1%
free-lunch eligible
- 55% 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
$8,807
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 345 students, the combined health-and-guidance staffing load for this school.
Discipline context
265
in-school suspensions + 44 out-of-school
Suspension rate: 19.2 per 100 students. Combined in-school and out-of-school rate: 22.4 per 100 students. Reported via the Civil Rights Data Collection. Includes 14 expulsions.
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 77.1%
Hispanic or Latino 16.5%
Asian 1.9%
African American 1.8%
Two or More 1.6%
American Indian / Alaska Native 0.7%
Native Hawaiian / Pacific Islander 0.4%
Largest group: White at 77.1% of enrollment.
Student-body diversity index 37.7/100
Simpson diversity index - at 37.7, Twin Falls High School is about as mixed as the Idaho school average of 36.3.
Programs
AP courses offered 8
Funding & spending
District-wide per-pupil expenditure for Twin Falls District, which includes Twin Falls High School.
$8,807
Per student
-26%
vs Idaho
Avg $11,939
-47%
vs U.S.
Avg $16,593
Revenue mix
Local 19.4%
State 59.8%
Federal 20.8%
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 Twin Falls High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Canyon Ridge High School | Similar size | Similar economic need | Lower S:T ratio |
| Vera C O'leary Middle School | Smaller | Similar economic need | Similar S:T ratio |
| Robert Stuart Middle School | Smaller | Similar economic need | Lower S:T ratio |
| Rock Creek Elementary | Smaller | Similar economic need | Lower S:T ratio |
| Pillar Falls Elementary | Smaller | Similar economic need | Lower S:T ratio |
Comparisons are relative to Twin Falls High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,445
- Students per teacher
- 20.4:1
- Resource Index
- 30/100
- Enrollment
- 758
- Students per teacher
- 21.1:1
- Resource Index
- 23/100
- Enrollment
- 690
- Students per teacher
- 18.2:1
- Resource Index
- 43/100
- Enrollment
- 601
- Students per teacher
- 16.2:1
- Resource Index
- 22/100
- Enrollment
- 582
- Students per teacher
- 17.6:1
- Resource Index
- 20/100
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 (~1,381 students)
Similar student-teacher ratio (~22.3:1)
Next steps
Verify locally before acting on Twin Falls High School's federal record.
- Compare Twin Falls High School against another school. Compare schools
- Twin Falls 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 Twin Falls High School
How many students attend Twin Falls High School?
Twin Falls High School has 1,381 students enrolled. It is a high school in Twin Falls, ID.
What is the student-teacher ratio at Twin Falls High School?
The student-teacher ratio at Twin Falls 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 Twin Falls High School?
13.1% of students at Twin Falls High School are eligible for free lunch, compared to the Idaho average of 29.3%.
What is the racial and ethnic makeup of Twin Falls High School?
The largest demographic group at Twin Falls High School is White at 77.1% of enrollment, in Twin Falls, ID.
What is the Resource Investment Index for Twin Falls High School?
Twin Falls High School has a Resource Investment Index of 28/100 (lower 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 Twin Falls High School rank among high schools in Twin Falls?
By Resource Investment Index, Twin Falls High School ranks #3 of 3 high schools in Twin 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 Twin Falls on the city page.
Is Twin Falls High School a good school?
Twin Falls High School earns 28/100 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 Twin Falls District?
Besides Twin Falls High School, Twin Falls District also operates Canyon Ridge High School (1,445 students), Vera C O'leary Middle School (758 students), and Robert Stuart Middle School (690 students). See the Twin Falls 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.