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Average

#455 of 719 schools in ID

Rimrock Elementary

Elementary School · BONNEVILLE JOINT DISTRICT

4855 BRENNAN BEND, Ammon, ID 83406

Enrollment

533

Student-Teacher

23.2:1

Score

5.8

Grades

Pre-K – 6th

Updated 2022-23

How this school compares

In Ammon

#5 of 8

public schools

Idaho elementary schools

#236 of 371

In district

#16 of 24

BONNEVILLE JOINT DISTRICT

Academic performance

9.0 / 10

Exceptional

About Rimrock Elementary

Rimrock Elementary serves 533 students from prekindergarten through sixth grade in Ammon, Idaho, earning recognition as one of the state's stronger elementary schools. With a MySchoolScout rating of 7.0 out of 10, the school ranks in the 78th percentile among Idaho's 732 elementary schools, reflecting solid academic performance across grade levels. The school demonstrates particularly strong results in core subjects, with 69% of students achieving proficiency or above in English Language Arts and reading, while 64% meet or exceed standards in mathematics.

These outcomes contribute to Rimrock's impressive 9.0 out of 10 academic score. The school's 23 full-time equivalent teachers work with a student-teacher ratio of 23.2 to 1, providing instruction across the elementary grade span. Rimrock Elementary draws families from a well-established community where the median household income reaches $77,958 and 37% of residents hold bachelor's degrees or higher.

The area maintains a low poverty rate of just 5.7%, with median home values around $296,200, reflecting the stability of this mid-size suburban neighborhood. Located on Brennan Bend in Bonneville County, Rimrock Elementary serves as an academic cornerstone in Ammon's growing suburban landscape, where nearly 20,000 residents value educational excellence and community connection.

What Parents Should Know

The student-teacher ratio at Rimrock Elementary is 23.2:1, which is higher than the national average. This may mean larger class sizes, so parents should ask about classroom support, teaching assistants, and how the school differentiates instruction for students who need extra help.

Score Breakdown

Full Profile · 3/3 metrics
Student Progress5.2Average50%
Year-over-year improvement in student test scores.
View breakdown
Years of Data3
Annual Change-1.04 pts/yr
Data Period2019–2022
TrendDeclining
Academics9.0Exceptional30%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency64%
Reading/ELA Proficiency69%
Overall Proficiency67%
Expected (poverty-adj.)55%
vs. Expected+11.1 pts
Adjusted Percentile85th
College ReadinessNot Available

Data not available for this school

Resources & Environment2.4Needs Improvement20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio23.2:1
Per-Pupil Spending$8,318

Rimrock Elementary — Students at Rimrock Elementary score 66% proficient, which is above what's typical for similar communities (expected: 55%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

12.8%

Students qualifying for federal meal assistance

Test Scores ID EDFACTS (2021-22)

Math Proficiency 64.0%
School
State
N/A
ELA Proficiency 68.0%
School
State
N/A

Based on 6 test records from ID state assessments. About our data

Proficiency Trend

→ Stable

Average proficiency (% at or above grade level) across Math & ELA over time.

2019
Math
67%
ELA
71%
2021*
Math
61%
ELA
64%
2022
Math
64%
ELA
69%

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Source: EdFacts (NCES) and state assessment data. Growth score: 5.2/10.

How Rimrock Elementary Compares

See how Rimrock Elementary performs across key quality dimensions compared to state benchmarks.

Overall Score
5.8/10
37th percentile in ID
Academic
9.0/10
9.0/10
Growth
5.2/10
Above average
Environment
2.4/10
Below average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
13%
Teaching Staff
23:1 student-teacher ratio
23 teachers

Location

4855 BRENNAN BEND, Ammon, ID 83406

Nearby Alternatives

Families considering Rimrock Elementary may also want to explore other elementary schools in the area. CLOVERDALE ELEMENTARY SCHOOL (rated 8.2/10, 2.1 miles away, in nearby Idaho Falls), which scores notably higher. Another option is WOODLAND HILLS ELEMENTARY (rated 8.1/10, 2.0 miles away), which scores notably higher. Additionally, DISCOVERY ELEMENTARY SCHOOL (rated 7.9/10, 3.3 miles away, in nearby Idaho Falls), which scores notably higher. For more schools in Ammon, see our Ammon schools guide .

Nearby Schools

20 within 3.3 mi
School Distance Rating
MOUNTAIN VALLEY ELEMENTARY SCHOOL Ammon 0.8 mi 4.7
BLACK CANYON MIDDLE SCHOOL Idaho Falls 1.5 mi 4.5
THUNDER RIDGE HIGH SCHOOL Idaho Falls 1.5 mi 6.8
TAYLORS CROSSING CHARTER SCHOOL Idaho Falls 2.1 mi 6.4
MONTICELLO MONTESSORI CHARTER SCHOOL Ammon 1.9 mi 5.5
CLOVERDALE ELEMENTARY SCHOOL Idaho Falls 2.1 mi 8.2
AMMON ELEMENTARY SCHOOL Ammon 1.7 mi 4.8
LIGHTHOUSE MONTESSORI SCHOOL Idaho Falls 1.8 mi
WOODLAND HILLS ELEMENTARY Ammon 2.0 mi 8.1
HILLVIEW ELEMENTARY SCHOOL Ammon 1.8 mi 6.8
SANDCREEK MIDDLE SCHOOL Idaho Falls 2.0 mi 4.9
TIEBREAKER ELEMENTARY SCHOOL Idaho Falls 2.2 mi 6.2
ACORN CHILDRENS ACADEMY Ammon 2.1 mi 5.8
HILLCREST HIGH SCHOOL Ammon 2.1 mi 5.8
WHITE PINE CHARTER SCHOOL Ammon 2.2 mi 6.2
SNAKE RIVER MONTESSORI SCHOOL Ammon 2.4 mi 6.0
BRIDGEWATER ELEMENTARY SCHOOL Idaho Falls 2.7 mi 6.4
LINCOLN HIGH SCHOOL Idaho Falls 2.9 mi 4.4
IONA ELEMENTARY SCHOOL Iona 3.3 mi 5.2
DISCOVERY ELEMENTARY SCHOOL Idaho Falls 3.3 mi 7.9

Neighborhood Census ACS (2019-2023)

Census data for ZIP 83406 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$90,654

Median Home Value

$350,500

Median Rent

$1,182/mo

Population

19,991

College Educated

36.8%

Homeownership

71%

Avg Commute

21.7 min

Poverty Rate

5.3%

Median Age

34.2

Community Profile

The community surrounding Rimrock Elementary has a median household income of $90,654. It is an area where 37% of adults hold a bachelor's degree or higher. The median home value in the area is $350,500, with a median rent of $1,182/month. The local poverty rate of 5.3% is relatively low. The average commute for residents is 22 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
MORLEY NELSON ELEMENTARY Boise, ID 5.8
OWYHEE ELEMENTARY SCHOOL Nampa, ID 5.8
LINDEN PARK ELEMENTARY SCHOOL Idaho Falls, ID 5.7
LONGFELLOW ELEMENTARY SCHOOL Idaho Falls, ID 5.7
PAUL ELEMENTARY SCHOOL Paul, ID 5.7
REAGAN ELEMENTARY SCHOOL Nampa, ID 5.7

Frequently Asked Questions

Common questions about Rimrock Elementary

What grades does Rimrock Elementary serve?

Rimrock Elementary serves students in grades Pre-K through 6th.

How many students attend Rimrock Elementary?

Rimrock Elementary has an enrollment of approximately 533 students.

What is the student-teacher ratio at Rimrock Elementary?

The student-teacher ratio at Rimrock Elementary is 23.2:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Rimrock Elementary rank in ID?

Rimrock Elementary is ranked #455 out of 719 schools in ID.

What is Rimrock Elementary's MySchoolScout rating?

Rimrock Elementary has a composite rating of 5.8 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.

What are the test scores at Rimrock Elementary?

Based on the most recent state assessment data, Rimrock Elementary has 64.0% math proficiency and 68.0% reading/ELA proficiency.

Is Rimrock Elementary a charter school?

No, Rimrock Elementary is not a charter school. It is a traditional public school operated by the local school district.

Is Rimrock Elementary a Title I school?

No, Rimrock Elementary is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Rimrock Elementary?

12.8% of students at Rimrock Elementary qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

11 schools nearby View map →

Neighborhood Context

County Safety
Average (522/100K)

FBI UCR 2024. County-level only. Data >1 year old.

Quick Facts NCES CCD (SY 2022-23)

Grades
Pre-K – 6th
Enrollment
533
Student-Teacher Ratio
23.2:1
Teachers (FTE)
23
Free/Reduced Lunch
12.8%
Type
regular
Setting
Midsize Suburb
County
Bonneville County
Data Year
2023–2024

District

BONNEVILLE JOINT DISTRICT
District Enrollment
13,646
Schools in District
26
Per-Pupil Spending
$8,756
District Rank
#16 of 24

How We Rate Schools

Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.

Read our full methodology

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