Enrollment
136
High
DISTRICT 88 · STATE 455
SCHOOL COMMUNITY·BRUNEAU-GRAND VIEW JOINT SCHOOL DISTRICT·NCES 160045000100
RIMROCK JR/SR HIGH SCHOOL
39678 STATE HIGHWAY 78, BRUNEAU, ID 83604 · (208) 834-2260 · Owyhee County
GRADES 06–12HIGH43-RURALTITLE IREGULAR SCHOOL136 STUDENTS
C
allk12 Grade
Scored higher than 28% of Idaho public high schools
- CTest 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
11.6:1
12 FTE teachers
DISTRICT 12.1:1 · STATE 16.0:1
Free / Reduced Lunch
51%
70 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 6 | 23 | 17% |
| Grade 7 | 16 | 12% |
| Grade 8 | 20 | 15% |
| Grade 9 | 20 | 15% |
| Grade 10 | 25 | 18% |
| Grade 11 | 16 | 12% |
| Grade 12 | 16 | 12% |
Student demographics
54%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 51% · 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
Based on grade levels within BRUNEAU-GRAND VIEW JOINT SCHOOL DISTRICT. Attendance zones can vary; confirm enrollment with the district.
Test scores
ISAT 2024-25 . % ProficientEnglish Language Arts
44.4%
ID avg 53.4%
Math
27.8%
ID avg 43.5%
What this means: On the ISAT, Idaho's statewide test, about 44 of every 100 students at this school read and write at grade level and about 28 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 RIMROCK JR/SR HIGH SCHOOL
| School | Students | Low-income | Proficient |
|---|---|---|---|
| RIMROCK JR/SR HIGH SCHOOL this school | 136 | 51.5% | N/A |
| GLENNS FERRY HIGH SCHOOL GLENNS FERRY | 128 | 51.6% | N/A |
| MARSING HIGH SCHOOL MARSING | 256 | 56.3% | N/A |
| HANSEN JR/SR HIGH SCHOOL HANSEN | 127 | 58.3% | N/A |
| WEST JEFFERSON HIGH SCHOOL TERRETON | 204 | 52.0% | N/A |
| HOMEDALE HIGH SCHOOL HOMEDALE | 400 | 50.0% | 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 RIMROCK JR/SR HIGH SCHOOL ranks
Among high schools| Measure | This school | In Idaho |
|---|---|---|
| Math proficiency ranked highest first | 27.8% | #58 of 84 |
| Reading proficiency ranked highest first | 44.4% | #80 of 97 |
| Enrollment ranked largest first | 136 | #124 of 198 |
| Free and reduced lunch ranked highest share first | 51.5% | #32 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
-39 (-22%) vs 2020
-28% since 1990-91, when it was 188
Student : Teacher
11.6:1
was 15.9:1
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 | 11.8 | 11.6:1 | 51% (70) |
| 2023-24 | 138 | 12.1 | 11.4:1 | 48% (66) |
| 2022-23 | 161 | 12.2 | 13.2:1 | 36% (58) |
| 2020-21 | 175 | 11 | 15.9:1 | 45% (79) |
| 2017-18 | 158 | 13 | 12.2:1 | 69% (109) |
| 2015-16 | 156 | 11 | 14.2:1 | 72% (113) |
| 2010-11 | 142 | 16 | 8.9:1 | 69% (98) |
| 2000-01 | 193 | 19 | 10.2:1 | 54% (105) |
| 1990-91 | 188 | 16 | 11.8:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for RIMROCK JR/SR HIGH SCHOOL.
Since 2017-18: students down 14% (158 to 136); teachers down 9% (13 to 11.8).
About RIMROCK JR/SR HIGH SCHOOL
RIMROCK JR/SR HIGH SCHOOL is a public high school run by BRUNEAU-GRAND VIEW JOINT SCHOOL DISTRICT in BRUNEAU, Idaho. There are 136 students enrolled, covering grades 6 through 12. The school is 70% below the average for high schools in Idaho.
RIMROCK JR/SR HIGH SCHOOL is one school in BRUNEAU-GRAND VIEW JOINT SCHOOL DISTRICT, a system of 3 schools with 263 students.
Of every 100 students at RIMROCK JR/SR HIGH SCHOOL, about 58 are White. The rest of enrollment is 34% Hispanic and 7% multiracial. Among all residents of Owyhee County, the White share is about 70%. The diversity index for RIMROCK JR/SR HIGH SCHOOL is 54%. For US public schools as a whole it is 70%.
RIMROCK JR/SR HIGH SCHOOL has 11.8 full-time-equivalent teachers on staff and a student-to-teacher ratio of 11.6:1. Across high schools in Idaho, the average ratio is 16.0:1. The school has 51% of students eligible for free or reduced-price lunch.
On the allk12 Grade, RIMROCK JR/SR HIGH SCHOOL lands at C, ahead of 28% of Idaho public high schools.
Census data for Owyhee County show median household income comes to about $64,406, about 12% of adults have at least a bachelor's degree, and the poverty rate is about 8%. The county has 10 public schools and about 2,402 students.
The closest school to RIMROCK JR/SR HIGH SCHOOL is GRAND VIEW ELEMENTARY SCHOOL, located about 6.5 miles away. There are 2 more public schools inside ten miles.
Under the NCES locale system, RIMROCK JR/SR HIGH SCHOOL is Rural: Remote.
Enrollment figures show a decline of 39 students from 2020-21 to 2024-25. The ratio was 15.9:1 in 2020-21 and 11.6:1 in 2024-25.
People who know RIMROCK JR/SR HIGH SCHOOL can post here about homework, tutoring, and testing dates. Parents, students, alumni, and staff are welcome to post.
Owyhee County at a glance
View full county profilePopulation
12,503
Census ACS
Median income
$64,406
Household, ACS
Bachelor's+
12%
Adults 25+
Poverty rate
8%
Below federal line
Schools in county
10
2,402 students
Quick facts
Related schools
Other schools in BRUNEAU-GRAND VIEW JOINT SCHOOL DISTRICT
- GRAND VIEW ELEMENTARY SCHOOLElementary · 96 students
- BRUNEAU ELEMENTARY SCHOOLElementary · 31 students
Nearby schools
- GRAND VIEW ELEMENTARY SCHOOL6.5 mi · 96
- BRUNEAU ELEMENTARY SCHOOL10.0 mi · 31
- STEPHENSEN ELEMENTARY SCHOOL11.1 mi · 312
- RICHARD MCKENNA CHARTER SCHOOL - ONSITE19.6 mi · 113
- RICHARD MCKENNA CHARTER SCHOOL - ONLINE19.6 mi · 216
- WEST ELEMENTARY SCHOOL20.0 mi · 556
Frequently asked questions
About RIMROCK JR/SR HIGH SCHOOLWhat is the total enrollment at RIMROCK JR/SR HIGH SCHOOL?
RIMROCK JR/SR HIGH SCHOOL enrolls approximately 136 students in grades 06-12.
What age range does RIMROCK JR/SR HIGH SCHOOL serve?
RIMROCK JR/SR HIGH SCHOOL serves students from grade 06 through grade 12.
How many students per teacher at RIMROCK JR/SR HIGH SCHOOL?
Approximately 11.6:1 students per teacher at RIMROCK JR/SR HIGH SCHOOL.
How diverse is RIMROCK JR/SR HIGH SCHOOL?
RIMROCK JR/SR HIGH SCHOOL reports a student body of 58% White, 34% Hispanic, 7% Two or more.
Is RIMROCK JR/SR HIGH SCHOOL public or private?
RIMROCK JR/SR HIGH SCHOOL is a public K-12 school, overseen by BRUNEAU-GRAND VIEW JOINT SCHOOL DISTRICT.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.