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Rimrock Junior/Senior High School

Public Grades 6-12
82nd
SchoolDigger Rank ?
of 112 Idaho High Schools
Better than 27% of Idaho high schools
Summary

Rimrock Junior/Senior High School is a public school located in Bruneau, Idaho, serving grades 6-12 with a total enrollment of 138 students. While the school has consistently ranked in the bottom half of Idaho high schools, with a 1-star rating from SchoolDigger, a closer look at the data reveals both challenges and opportunities for improvement.

Rimrock's graduation rates have fluctuated in recent years, ranging from 81.0% to 95.7%, generally on par with or slightly below the state average. However, the school has a relatively high chronic absenteeism rate, ranging from 15.0% to 20.8%, significantly higher than the state average. Academically, Rimrock's performance on ISAT tests is below the state and district averages across all subject areas and grade levels, with proficiency rates in Math, Science, and English Language Arts at 27.5%, 35.5%, and 43.5%, respectively, compared to the state averages of 43.1%, 42.6%, and 53.9%. The school also serves a higher proportion of students from economically disadvantaged backgrounds, with 36.02% to 47.83% of students eligible for free or reduced-price lunch in recent years.

When compared to nearby schools, such as the Richard McKenna Charter School - Online and the Richard McKenna Charter School - Onsite, Rimrock's performance on academic measures generally lags behind, suggesting that alternative educational models may be more effective in this region. The Bruneau-Grand View Joint School District, of which Rimrock is a part, will likely need to focus on improving academic outcomes, addressing attendance and engagement issues, and exploring strategies to better support the needs of their student population.

136
Students ?
11.5
Student/teacher ratio ?
$11,846
Per pupil spending ?
51.5%
Free/discounted lunch ?
 39678 State Highway 78
       Bruneau, ID  83604-5131

(208) 834-2260

District: Bruneau-Grand View Joint School District


Feeder schools for Rimrock Junior/Senior High School:

Elementary:    Bruneau Elementary School
    Grand View Elementary School
Racial breakdown:

White:
58.1%
Hispanic:
33.8%
Two or more races:
6.6%
more
 See top rated Idaho high schools

 Compare Rimrock Junior/Senior High School to nearby high schools!
At a glance
Ranking trend: Recently slipping — 52nd percentile in 2022 → 27th in 2025
Strengths
Small classes — about 12 students per teacher
Worth a look
!Test scores below the Idaho average (36% vs 47% meeting standards)
!Ranking has slipped from its 52nd-percentile peak (2022) to 27th (2025)
!Math scores 16 pts below the Idaho average
Students meeting standards (2024-2025) ?
This school36%
District avg43%
Idaho avg47%
Middle school
109th of 166
Idaho public middle schools ?
Bottom 34%▼ down 13 pts since 2024
From bottom 47% (2024) to bottom 34% (2025)
See the entire ranking list of Idaho Middle Schools →
SchoolDigger rating ?
High school
82nd of 112
Idaho public high schools ?
Bottom 27%▲ up 12 pts since 2021
From bottom 15% (2021) to bottom 27% (2025)
See the entire ranking list of Idaho High Schools →
SchoolDigger rating ?
Statewide rank percentile over time (100 = the top-ranked school in the state; click a legend item to add a student group)
Middle school ranking
Show full rank history (all student groups)

All Students

YearAvg scoreStatewide rankIdaho percentileRating
202535.9109 of 16634.3%★★☆☆☆
202438.987 of 16447.0%★★☆☆☆
201316.5160 of 1737.5%☆☆☆☆☆
201217.8156 of 1718.8%☆☆☆☆☆
201119.8153 of 1699.5%★☆☆☆☆
201036.3119 of 16628.3%★☆☆☆☆
200925.1135 of 16015.6%★☆☆☆☆
200852.381 of 15848.7%★★☆☆☆
High school ranking
Show full rank history (all student groups)

All Students

YearAvg scoreStatewide rankIdaho percentileRating
202531.982 of 11226.8%★☆☆☆☆
202446.191 of 15942.8%★★☆☆☆
202323.786 of 10618.9%★☆☆☆☆
202243.453 of 11051.8%★★★☆☆
202122.775 of 8814.8%★☆☆☆☆
201325.8138 of 16013.8%★☆☆☆☆
201210.2156 of 1623.7%☆☆☆☆☆
201137.3128 of 16522.4%★☆☆☆☆
201053.887 of 16948.5%★★☆☆☆
200917.9124 of 1283.1%☆☆☆☆☆
200836.4120 of 15120.5%★☆☆☆☆

White

YearAvg scoreStatewide rankIdaho percentileRating
202440.550 of 7835.9%★★☆☆☆
How student groups rank statewide ? (each group's percentile vs the same group at other schools — higher is better; the +/- beside each compares the group with this school's overall percentile)
High school
White (2024)36th percentile-7 vs school
By subject vs Idaho (2024-2025) ?
English Language Arts44%-10 vs state
Science36%-7 vs state
Math28%-16 vs state

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Frequently Asked Questions about Rimrock Junior/Senior High School

In the 2024-25 school year, 136 students attended Rimrock Junior/Senior High School.

Students at Rimrock Junior/Senior High School are 58% White, 34% Hispanic, 7% Two or more races, 1% American Indian.

Rimrock Junior/Senior High School ranks 82nd of 112 Idaho high schools. SchoolDigger rates this school 1 star out of 5.

Rimrock Junior/Senior High School is fed by the following schools:

Elementary : Bruneau Elementary School
Elementary : Grand View Elementary School


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SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau and the Idaho Department of Education.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.





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