Enrollment
186
Idaho · 2024-25 NCES data
Other / mixed grade configuration · Arco, ID
Federal NCES profile for Arco Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 47/100.
The verdict
Arco Elementary School earns 47/100 on the Resource Investment Index, with class sizes smaller than 77% of Idaho schools.
Arco Elementary School has class sizes smaller than 77% of Idaho schools. Computed live against every Idaho school reporting to NCES.
NCES ID 160049000007 Verify on NCES CCD record →
Enrollment
186
Idaho · 2024-25 NCES data
Teachers (FTE)
14.0
Federal CCD staff survey
Students per teacher
13.3:1
vs 17.1:1 Idaho avg
-22% vs state
Free-lunch eligible
32.3%
vs 29.3% Idaho avg
+10% vs state
How Arco Elementary School compares with Idaho and U.S. medians
Smaller classes than state median
13.3:1 - 3.8 below the Idaho state median of 17.1:1, indicating smaller average class loads than typical schools in the state.
Arco Elementary School is a mid-sized combined-grade school in Arco, Idaho, enrolling 186 students.
Class sizes run a bit leaner than typical: 13.3:1 puts it in the smaller third of Idaho schools by student-teacher ratio.
Economic need runs somewhat above the state's typical profile, with 32.3% of students eligible for free meals.
Enrollment of 186 puts it in the smaller third of Idaho schools by headcount.
Its Resource Investment Index lands in the upper third of 775 scored Idaho schools.
Against 97 statewide peers matched on enrollment and economic need, it ranks mid-pack at #46.
Its student body is predominantly White (87% of enrollment) (diversity index 23/100).
Counselor coverage is strong, about 186 students per counselor, inside the American School Counselor Association's recommended 250:1.
Its district draws 18.6% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Butte County Joint District also operates Butte County Middle/High School (186 students) and Howe Elementary School (4 students) alongside Arco Elementary School.
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
Arco Elementary School on the metrics families compare, against Idaho and U.S. means.
| Metric | This school | vs Idaho | Idaho avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 13.3:1 | ▼ 22% | 17.1:1 | 15.7:1 |
| Free-lunch eligible | 32.3% | ▲ 10% | 29.3% | 51.7% |
| Enrollment | 186 | top 71% | - | - |
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 87.1% of enrollment.
Simpson diversity index - at 22.8, Arco Elementary School is less mixed than the Idaho school average of 36.3.
District-wide per-pupil expenditure for Butte County Joint District, which includes Arco Elementary School.
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 |
|---|---|---|---|
| Butte County Middle/High School | Similar size | Lower economic need | Similar S:T ratio |
| Howe Elementary School | Smaller | No free-lunch data | Lower S:T ratio |
Comparisons are relative to Arco Elementary School'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 Arco Elementary School'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.
Arco Elementary School has 186 students enrolled. It is a public school in Arco, ID.
The student-teacher ratio at Arco Elementary School is 13.3:1, which is 22% lower than the Idaho average of 17.1:1 and 15% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
32.3% of students at Arco Elementary School are eligible for free lunch, compared to the Idaho average of 29.3%.
The largest demographic group at Arco Elementary School is White at 87.1% of enrollment, in Arco, ID.
Arco Elementary School has a Resource Investment Index of 47/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology).
Arco Elementary School earns 47/100 on the Resource Investment Index, with class sizes smaller than 77% of Idaho schools. 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 Arco Elementary School, Butte County Joint District also operates Butte County Middle/High School (186 students) and Howe Elementary School (4 students). See the Butte County Joint 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.
Published by
PlainSchools Editorial
Independent public-data reference that compiles, verifies, and contextualizes official datasets. We do not accept compensation from entities we cover, and every dataset cites its originating public source.
Last updated:
PlainSchools, “Arco Elementary School, Arco 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/arco-elementary-school-id
You are welcome to quote these figures with attribution to PlainSchools and the underlying source. The URL above is stable.