Enrollment
379
Idaho · 2024-25 NCES data
Elementary school (grades K-5) · Post Falls, ID
Federal NCES profile for Treaty Rock Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 53/100.
The verdict
Treaty Rock Elementary earns 53/100 on the Resource Investment Index, with class sizes near the Idaho median.
Treaty Rock Elementary has class sizes near the Idaho median. Computed live against every Idaho school reporting to NCES.
By Resource Investment Index, Treaty Rock Elementary ranks #1 of 12 public schools in Post Falls, ID.
NCES ID 160267001129 Verify on NCES CCD record →
Enrollment
379
Idaho · 2024-25 NCES data
Teachers (FTE)
24.0
Federal CCD staff survey
Students per teacher
15.8:1
vs 17.1:1 Idaho avg
-8% vs state
Free-lunch eligible
33.8%
vs 29.3% Idaho avg
+15% vs state
How Treaty Rock Elementary compares with Idaho and U.S. medians
At or below state median
15.8:1 - 1.3 below the Idaho state median of 17.1:1, indicating smaller average class loads than typical schools in the state.
Treaty Rock Elementary is a mid-sized elementary school in Post Falls, Idaho, enrolling 379 students.
Class sizes run a bit leaner than typical: 15.8:1 puts it in the smaller third of Idaho schools by student-teacher ratio.
Economic need runs somewhat above the state's typical profile, with 33.8% of students eligible for free meals.
With 379 students, its enrollment sits close to the Idaho median campus size.
Its Resource Investment Index lands in the upper third of 775 scored Idaho schools.
Among 209 similarly sized, similarly resourced-need Idaho schools statewide, it ranks #13, a top-tier result once campus size and economic need are matched.
Its student body is predominantly White (84% of enrollment) (diversity index 28/100).
The surrounding Post Falls District spends $8,747 per pupil, 27% below the Idaho average, a leaner-resourced district than most.
Its district draws 22.3% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Post Falls District also operates Post Falls High School (1,601 students) and Post Falls Middle School (746 students) alongside Treaty Rock Elementary.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
Treaty Rock Elementary on the metrics families compare, against Idaho and U.S. means.
| Metric | This school | vs Idaho | Idaho avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 15.8:1 | ▼ 8% | 17.1:1 | 15.7:1 |
| Free-lunch eligible | 33.8% | ▲ 15% | 29.3% | 51.7% |
| Enrollment | 379 | top 42% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Largest group: White at 84.4% of enrollment.
Simpson diversity index - at 27.7, Treaty Rock Elementary is less mixed than the Idaho school average of 36.3.
District-wide per-pupil expenditure for Post Falls District, which includes Treaty Rock Elementary.
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Post Falls High School | Larger | Lower economic need | Higher S:T ratio |
| Post Falls Middle School | Larger | Similar economic need | Higher S:T ratio |
| River City Middle School | Larger | Lower economic need | Similar S:T ratio |
| Ponderosa Elementary School | Similar size | Similar economic need | Higher S:T ratio |
| West Ridge Elementary School | Similar size | Lower economic need | Higher S:T ratio |
Comparisons are relative to Treaty Rock Elementary's own figures; each column derives from NCES Common Core of Data.
Matched by enrollment size and by staffing ratio across all of Idaho, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Treaty Rock Elementary's federal record.
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Treaty Rock Elementary has 379 students enrolled. It is an elementary school in Post Falls, ID.
The student-teacher ratio at Treaty Rock Elementary is 15.8:1, which is 8% lower than the Idaho average of 17.1:1 and 1% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
33.8% of students at Treaty Rock Elementary are eligible for free lunch, compared to the Idaho average of 29.3%.
The largest demographic group at Treaty Rock Elementary is White at 84.4% of enrollment, in Post Falls, ID.
Treaty Rock Elementary has a Resource Investment Index of 53/100 (higher reported resources relative to schools nationally) based on 2 factors: student-teacher ratio. Not a test-score or academic measure (national median ~41/100, see methodology). Limited indicators were available, so the index reflects partial data.
By Resource Investment Index, Treaty Rock Elementary ranks #1 of 12 public schools in Post Falls, ID. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Post Falls on the city page.
Treaty Rock Elementary earns 53/100 on the Resource Investment Index, with class sizes near the Idaho median. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
Besides Treaty Rock Elementary, Post Falls District also operates Post Falls High School (1,601 students), Post Falls Middle School (746 students), and River City Middle School (550 students). See the Post Falls District district page for the complete list.
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.
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PlainSchools, “Treaty Rock Elementary, Post Falls ID.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/treaty-rock-elementary-id/
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