Enrollment
136
High
DISTRICT 111 · STATE 455
SCHOOL COMMUNITY·CHALLIS JOINT DISTRICT·NCES 160072000140
CHALLIS JR/SR HIGH SCHOOL
1110 BLUFF AVENUE, CHALLIS, ID 83226 · (208) 879-2255 · Custer County
GRADES 07–12HIGH43-RURALTITLE IREGULAR SCHOOL136 STUDENTS
B+
allk12 Grade
Scored higher than 67% of Idaho public high schools
- B+Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- ·Beats expectations Not available for this school, so the grade uses the other parts.
- ·Three-year trend Not available for this school, so the grade uses the other parts.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Idaho public high schools
Student : Teacher
8.7:1
16 FTE teachers
DISTRICT 9.6:1 · STATE 16.0:1
Free / Reduced Lunch
48%
65 students
DISTRICT 51% · STATE 46%
Community
0
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 7 | 19 | 14% |
| Grade 8 | 29 | 21% |
| Grade 9 | 21 | 15% |
| Grade 10 | 16 | 12% |
| Grade 11 | 31 | 23% |
| Grade 12 | 20 | 15% |
Student demographics
18%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 18% · STATE 44% · US 70%
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.
Gender split
School pathway
Feeds from
Based on grade levels within CHALLIS JOINT DISTRICT. Attendance zones can vary; confirm enrollment with the district.
Test scores
ISAT 2024-25 . % ProficientEnglish Language Arts
57.3%
ID avg 53.4%
Math
34.2%
ID avg 43.5%
What this means: On the ISAT, Idaho's statewide test, about 57 of every 100 students at this school read and write at grade level and about 34 of 100 do math at grade level. Across all Idaho schools, those numbers are about 53 and 44.
Source: ISAT. All students, all grades. See all years and grades →
Schools most like CHALLIS JR/SR HIGH SCHOOL
| School | Students | Low-income | Proficient |
|---|---|---|---|
| CHALLIS JR/SR HIGH SCHOOL this school | 136 | 47.8% | N/A |
| CLARK FORK JR/SR HIGH SCHOOL CLARK FORK | 134 | 43.3% | N/A |
| WALLACE JR/SR HIGH SCHOOL WALLACE | 195 | 44.1% | N/A |
| SALMON RIVER JR/SR HIGH SCHOOL RIGGINS | 81 | 51.9% | N/A |
| CAMBRIDGE MIDDLE/HIGH SCHOOL CAMBRIDGE | 81 | 46.9% | N/A |
| MACKAY JR/SR HIGH SCHOOL MACKAY | 104 | 40.4% | N/A |
Matched among Idaho high schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where CHALLIS JR/SR HIGH SCHOOL ranks
Among high schools| Measure | This school | In Idaho |
|---|---|---|
| Math proficiency ranked highest first | 34.2% | #41 of 84 |
| Reading proficiency ranked highest first | 57.3% | #56 of 97 |
| Enrollment ranked largest first | 136 | #125 of 198 |
| Free and reduced lunch ranked highest share first | 47.8% | #40 of 146 |
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.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
136
-15 (-10%) vs 2020
-58% since 1990-91, when it was 327
Student : Teacher
8.7:1
was 11.6:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 136 | 15.6 | 8.7:1 | 48% (65) |
| 2023-24 | 149 | 14.5 | 10.3:1 | 36% (53) |
| 2022-23 | 151 | 13.6 | 11.1:1 | 28% (42) |
| 2020-21 | 151 | 13 | 11.6:1 | 32% (48) |
| 2017-18 | 171 | 15.2 | 11.2:1 | 38% (65) |
| 2015-16 | 186 | 13 | 14.3:1 | 33% (61) |
| 2010-11 | 214 | 15 | 14.3:1 | 34% (73) |
| 2000-01 | 208 | 14 | 14.9:1 | 23% (47) |
| 1990-91 | 327 | 19 | 17.2:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for CHALLIS JR/SR HIGH SCHOOL.
Since 2017-18: students down 20% (171 to 136); teachers up 2% (15.2 to 15.6).
About CHALLIS JR/SR HIGH SCHOOL
CHALLIS JR/SR HIGH SCHOOL is one of the public schools in CHALLIS, Idaho. It is a very small high school. Its grade span covers grades 7 through 12, with 136 students on the rolls. That compares with an average of about 455 students for high schools in Idaho.
Within CHALLIS JOINT DISTRICT, CHALLIS JR/SR HIGH SCHOOL is one of 3 schools. The district enrolls 332 students.
The share of White students at CHALLIS JR/SR HIGH SCHOOL is 90%. Next come 6% Hispanic and 2% multiracial. In Custer County overall, the White share is about 89%. The diversity index for CHALLIS JR/SR HIGH SCHOOL is 18%. For US public schools as a whole it is 70%.
Its staff includes 15.6 full-time-equivalent teachers, for about 8.7 students per teacher. Across high schools in Idaho, the average ratio is 16.0:1. CHALLIS JR/SR HIGH SCHOOL has a free or reduced-price lunch rate of 48%. That is in line with the 47% average for public schools in Custer County.
CHALLIS JR/SR HIGH SCHOOL holds a B+ allk12 Grade, placing it above 67% of Idaho public high schools.
The school is in Custer County, where the median household earns about $67,574 a year, a bachelor's degree or higher is held by about 29% of adults, and the share of residents below the poverty line is 5%. CHALLIS JR/SR HIGH SCHOOL shares Custer County with 5 other public schools.
Among nearby public schools, CHALLIS ELEMENTARY SCHOOL is closest at about 0.2 miles.
CHALLIS JR/SR HIGH SCHOOL is coded as Rural: Remote in federal locale data.
Since 2020-21, enrollment has fallen 10%, from 151 to 136. Students per teacher dropped from 11.6 in 2020-21 to 8.7 in 2024-25.
This page is a place to ask questions and share updates about open houses, carpools, and field trips at CHALLIS JR/SR HIGH SCHOOL. Members of the school community can share what they know.
Custer County at a glance
View full county profilePopulation
4,470
Census ACS
Median income
$67,574
Household, ACS
Bachelor's+
29%
Adults 25+
Poverty rate
5%
Below federal line
Schools in county
6
550 students
Quick facts
Related schools
Other schools in CHALLIS JOINT DISTRICT
- CHALLIS ELEMENTARY SCHOOLElementary · 173 students
- STANLEY ELEM/JR HIGH SCHOOLElementary · 23 students
- CLAYTON ELEMENTARY SCHOOLElementary
- PATTERSON ELEMENTARY SCHOOLElementary
Nearby schools
- CHALLIS ELEMENTARY SCHOOL0.2 mi · 173
- TENDOY ELEMENTARY SCHOOL42.3 mi · 10
Frequently asked questions
About CHALLIS JR/SR HIGH SCHOOLHow large is CHALLIS JR/SR HIGH SCHOOL?
CHALLIS JR/SR HIGH SCHOOL enrolls approximately 136 students in grades 07-12.
What age range does CHALLIS JR/SR HIGH SCHOOL serve?
CHALLIS JR/SR HIGH SCHOOL serves students from grade 07 through grade 12.
What is the student-teacher ratio at CHALLIS JR/SR HIGH SCHOOL?
The student-to-teacher ratio at CHALLIS JR/SR HIGH SCHOOL is approximately 8.7:1 (16 FTE teachers).
How diverse is CHALLIS JR/SR HIGH SCHOOL?
CHALLIS JR/SR HIGH SCHOOL reports a student body of 90% White, 6% Hispanic, 2% Two or more.
Is CHALLIS JR/SR HIGH SCHOOL public or private?
CHALLIS JR/SR HIGH SCHOOL is a public K-12 school, overseen by CHALLIS JOINT DISTRICT.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.