RIMROCK ELEMENTARY

Elementary school·Grades PK-6 Ammon, Idaho·83406
Score
87.4/100
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#40
Among 313 Idaho elementary schools
#1
In Bonneville Joint District
#1
In Ammon
Top 13%
In Idaho

Score 87.4/100: better than 87% of Idaho elementary schools on 2025-26 state tests. Schools are only compared with others of the same type in the same state. How we score schools

Performance (state tests, 2025-26)

% proficient or advanced on state tests in Idaho, all students. Colored bars are green when the school is at or above the average for similar Idaho schools.

English language arts
71%
Similar Idaho schools ≈ 52%, better than 89% of them
339 students tested
Math
65%
Similar Idaho schools ≈ 47%, better than 86% of them
339 students tested
Science
57%
Similar Idaho schools ≈ 45%, better than 76% of them
89 students tested
All Idaho schools (ELA / math)
54% / 44%
State average across every school type, 2025-26
All 3 published results by grade and test

As published by Idaho State Department of Education. "Hidden" means the state didn't publish the result to protect student privacy.

SubjectGradeTestResultStudents tested
English language artsAll gradesISAT (+ IDAA)71.1339
MathAll gradesISAT (+ IDAA)65.2339
ScienceAll gradesISAT (+ IDAA)57.389

School profile

Grades
PK-6
Students
533
Type
Elementary school
Charter school
No
Program
Regular

Students

Enrollment
533
Typical elementary school: 354
Free or reduced-price lunch
14%
Typical elementary school: 47%

District and location

City
Bonneville County

Contact

Address
4855 BRENNAN BEND
Ammon, ID 83406

"Typical" is the middle (median) elementary school in Idaho. Higher or lower is not in itself better or worse. Address, phone and website are as the state reported them to the U.S. Department of Education for 2024-25, so check with the school before visiting. School details: U.S. Department of Education, Common Core of Data (enrollment 2023-24, lunch eligibility 2024-25).

Nearby elementary schools

Straight-line distance. Check the district's attendance zones: living close to a school doesn't guarantee a place.

Location

OpenStreetMap · Google Maps

RIMROCK ELEMENTARY at a glance

RIMROCK ELEMENTARY is a public elementary school in Ammon, Idaho, serving grades PK-6. It is part of Bonneville Joint District. It has about 533 students (a typical Idaho elementary school has 354). About 14% of students are eligible for free or reduced-price lunch, compared with 47% at a typical Idaho elementary school, which is useful context when reading test results.

In 2025-26 state tests, 71% in English language arts (similar schools: 52%) and 65% in math (similar schools: 47%) reached the state standard (% proficient or advanced). On our score, which compares it only with other Idaho elementary schools, it scores 87.4 out of 100: better than 87% of them, ranking #40 of 313. Its English language arts result rose by 6 points from the year before. This overview is generated automatically from published state and federal data; figures are rounded, and you can check the originals via the official sources above.

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Page updated 2026-10-12.