Enrollment
136
Idaho · 2024-25 NCES data
Other / mixed grade configuration · Challis, ID
Challis Jr/Sr High School
Federal NCES profile for Challis Jr/Sr High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 54/100.
2024-25 NCES dataOther / mixed grade configurationNCES 160072000140
👥 S:T ratio 58
🌟 Gifted program 30
🎓 Counselors 73
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Challis Jr/Sr High School earns 54/100 on the Resource Investment Index, with class sizes smaller than 90% of Idaho schools.
- 54
- Resource Index · Higher
- 10.5:1
- small classes for Idaho
- 23.2%
- free-lunch eligible
- 136
- students enrolled
Challis Jr/Sr High School has class sizes smaller than 90% of Idaho schools. Computed live against every Idaho school reporting to NCES.
School address
District: Challis Joint District · Idaho
NCES ID 160072000140 Verify on NCES CCD record →
Teachers (FTE)
13.0
Federal CCD staff survey
Students per teacher
10.5:1
vs 17.1:1 Idaho avg
-39% vs state
Free-lunch eligible
23.2%
vs 29.3% Idaho avg
-21% vs state
Student-teacher ratio in context
How Challis Jr/Sr High School compares with Idaho and U.S. medians
What stands out at Challis Jr/Sr High School
Challis Jr/Sr High School is a mid-sized combined-grade school in Challis, Idaho, enrolling 136 students.
Classes run notably small here: at 10.5:1, Challis Jr/Sr High School is leaner than roughly 90% of Idaho schools and 39% under the state's 17.1:1 norm, more adult attention per pupil than most peers.
Its free-meal eligibility rate of 23.2% lands close to the Idaho typical range, neither a high- nor low-need campus by this measure.
Enrollment of 136 puts it in the smaller third of Idaho schools by headcount.
Its Resource Investment Index lands in the upper third of 775 scored Idaho schools.
Against 83 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #20.
Its student body is predominantly White (90% of enrollment) (diversity index 18/100).
Counselor coverage is strong, about 136 students per counselor, inside the American School Counselor Association's recommended 250:1.
Its district draws 22.7% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Challis Joint District also operates Challis Elementary School (173 students) and Stanley Elem/Jr High School (23 students) alongside Challis Jr/Sr 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 Challis Jr/Sr High School compares
Challis Jr/Sr 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 | 10.5:1 | ▼ 39% | 17.1:1 | 15.7:1 |
| Free-lunch eligible | 23.2% | ▼ 21% | 29.3% | 51.7% |
| Enrollment | 136 | top 79% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
10.5:1
Leaner classes than 86% of US schools, among the more generously staffed nationally.
136
Bigger than 13% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Economic need
23.2%
free-lunch eligible
- 21% below the Idaho average of 29.3%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
10.5:1
students per teacher
- 39% below state mean
Top 10% in Idaho - lower ratio than 90% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Funding equity
$13,663
per pupil, district-wide
- above Idaho avg of $11,939
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 136 students, the combined health-and-guidance staffing load for this school.
Discipline context
6
in-school suspensions + 3 out-of-school
Suspension rate: 4.4 per 100 students. Combined in-school and out-of-school rate: 6.6 per 100 students. Reported via the Civil Rights Data Collection.
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 90.4%
Hispanic or Latino 5.9%
Two or More 2.2%
American Indian / Alaska Native 1.5%
Largest group: White at 90.4% of enrollment.
Student-body diversity index 17.9/100
Simpson diversity index - at 17.9, Challis Jr/Sr High School is less mixed than the Idaho school average of 36.3.
Programs
Funding & spending
District-wide per-pupil expenditure for Challis Joint District, which includes Challis Jr/Sr High School.
$13,663
Per student
+14%
vs Idaho
Avg $11,939
-18%
vs U.S.
Avg $16,593
Revenue mix
Local 21.4%
State 55.9%
Federal 22.7%
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 Challis Jr/Sr High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Challis Elementary School | Larger | Similar economic need | Higher S:T ratio |
| Stanley Elem/Jr High School | Smaller | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Challis Jr/Sr High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 173
- Students per teacher
- 13.3:1
- Resource Index
- 61/100
- Enrollment
- 23
- Students per teacher
- 11.5:1
- Resource Index
- 42/100
Similar other 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 (~136 students)
Similar student-teacher ratio (~10.5:1)
Next steps
Verify locally before acting on Challis Jr/Sr High School's federal record.
- Compare Challis Jr/Sr High School against another school. Compare schools
- Challis 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 Challis Jr/Sr High School
How many students attend Challis Jr/Sr High School?
Challis Jr/Sr High School has 136 students enrolled. It is a public school in Challis, ID.
What is the student-teacher ratio at Challis Jr/Sr High School?
The student-teacher ratio at Challis Jr/Sr High School is 10.5:1, which is 39% lower than the Idaho average of 17.1:1 and 33% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Challis Jr/Sr High School?
23.2% of students at Challis Jr/Sr High School are eligible for free lunch, compared to the Idaho average of 29.3%.
What is the racial and ethnic makeup of Challis Jr/Sr High School?
The largest demographic group at Challis Jr/Sr High School is White at 90.4% of enrollment, in Challis, ID.
What is the Resource Investment Index for Challis Jr/Sr High School?
Challis Jr/Sr High School has a Resource Investment Index of 54/100 (higher reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology).
Is Challis Jr/Sr High School a good school?
Challis Jr/Sr High School earns 54/100 on the Resource Investment Index, with class sizes smaller than 90% of Idaho schools. 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 Challis Joint District?
Besides Challis Jr/Sr High School, Challis Joint District also operates Challis Elementary School (173 students) and Stanley Elem/Jr High School (23 students). See the Challis 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.