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
Enrollment
533
Student-Teacher
23.2:1
Score
5.8
Grades
Pre-K – 6th
Updated
2022-23
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
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Rimrock Elementary — Students at Rimrock Elementary score 66% proficient, which is above what's typical for similar communities (expected: 55%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
12.8%
Students qualifying for federal meal assistance
Test Scores ID EDFACTS (2021-22)
Based on 6 test records from ID state assessments. About our data
Proficiency Trend
→ StableAverage proficiency (% at or above grade level) across Math & ELA over time.
* 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.
Funding & Resources
Performance Trends
Math proficiency has declined from 67% (2019) to 64% (2022). Reading/ELA proficiency has remained stable from 71% (2019) to 69% (2022).
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.
Explore More Schools
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
- Phone
- (208) 525-4400
- Data Year
- 2023–2024
Resources & Links
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 methodologyRelated reading
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