Enrollment
8
Idaho · 2024-25 NCES data
Elementary school (grades K-5) · Calder, ID
Calder School
Federal NCES profile for Calder School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 57/100.
2024-25 NCES dataElementary school (grades K-5)NCES 160015001010
👥 S:T ratio 84
🌟 Gifted program 30
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Calder School earns 57/100 on the Resource Investment Index, with class sizes smaller than 99% of Idaho schools. It is also one of the smallest schools in Idaho.
- 57
- Resource Index · Higher
- 4:1
- small classes for Idaho
- 8
- students enrolled
Calder School has class sizes smaller than 99% of Idaho schools. Computed live against every Idaho school reporting to NCES.
School address
District: Avery School District · Idaho
NCES ID 160015001010 Verify on NCES CCD record →
Teachers (FTE)
2.0
Federal CCD staff survey
Students per teacher
4:1
vs 17.1:1 Idaho avg
-77% vs state
Student-teacher ratio in context
How Calder School compares with Idaho and U.S. medians
What stands out at Calder School
Small campus with unusually lean teacher staffing
Calder School sits near the smaller end of the Idaho enrollment distribution while also reporting a lower student-teacher ratio than most state schools. That pairing is consistent with a compact, teacher-dense setting, though small scale can limit the number of specialized courses or support roles a campus can sustain. The program and staffing sections below show whether the lean ratio extends beyond classroom teachers into broader student services.
No single support indicator dominates
Calder School's available federal support indicators do not reveal an extreme in advanced-course access, specialist staffing, chronic absence, or IDEA enrollment. The most responsible reading is therefore component by component rather than a sweeping verdict: current counseling availability, health support, program schedules, and attendance policy still warrant direct confirmation. Missing or middle-range federal fields are not evidence that services are either strong or weak.
Calder School is a small elementary school in Calder, Idaho, enrolling 8 students.
Classes run notably small here: at 4:1, Calder School is leaner than roughly 99% of Idaho schools and 77% under the state's 17.1:1 norm, more adult attention per pupil than most peers.
This is a small campus: fewer students than 98% of Idaho schools, with 8 enrolled.
Its Resource Investment Index outscores 90% of the 775 Idaho schools with a score on record, a top-tier result on this measure.
Its student body is predominantly White (100% of enrollment), among the less diverse in the state (diversity index 0/100).
The surrounding Avery School District spends $32,958 per pupil, 165% above the Idaho average, a better-resourced district than most.
Its district draws 26.4% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Discipline events run high: 4 in- and out-of-school suspensions were reported for 8 students in the 2021-22 Civil Rights Data Collection.
Avery School District operates only this one school, so Calder School has no district-mates to compare against locally. At 8 students, it is also a small operation, on the smaller end of Idaho's single-school districts.
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
How Calder School compares
Calder 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 | 4:1 | ▼ 77% | 17.1:1 | 15.7:1 |
| Enrollment | 8 | top 98% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
4:1
Leaner classes than 99% of US schools, among the more generously staffed nationally.
8
Bigger than 1% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Staffing depth
4:1
students per teacher
- 77% below state mean
Top 1% in Idaho - lower ratio than 99% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Funding equity
$32,958
per pupil, district-wide
- above Idaho avg of $12,445
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
2
in-school suspensions + 2 out-of-school
Suspension rate: 25.0 per 100 students. Combined in-school and out-of-school rate: 50.0 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 100.0%
Largest group: White at 100.0% of enrollment.
Student-body diversity index 0.0/100
Simpson diversity index - at 0.0, Calder School is less mixed than the Idaho school average of 36.3.
Programs
Funding & spending
District-wide per-pupil expenditure for Avery School District, which includes Calder School.
$32,958
Per student
+165%
vs Idaho
Avg $12,445
+87%
vs U.S.
Avg $17,658
Revenue mix
Local 23.9%
State 49.7%
Federal 26.4%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2022-23 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
Similar elementary schools statewide
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.
Similar enrollment (~8 students)
Next steps
Verify locally before acting on Calder School's federal record.
- Compare Calder School against another school. Compare schools
- Avery School District's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
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.
Frequently asked questions about Calder School
How many students attend Calder School?
Calder School has 8 students enrolled. It is an elementary school in Calder, ID.
What is the student-teacher ratio at Calder School?
The student-teacher ratio at Calder School is 4:1, which is 77% lower than the Idaho average of 17.1:1 and 75% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What is the racial and ethnic makeup of Calder School?
The largest demographic group at Calder School is White at 100.0% of enrollment, in Calder, ID.
What is the Resource Investment Index for Calder School?
Calder School has a Resource Investment Index of 57/100 (higher reported resources relative to schools nationally) based on 2 factors: student-teacher ratio, gifted-program reporting. Not a test-score or academic measure (national median ~41/100, see methodology). Limited indicators were available, so the index reflects partial data.
What other schools are in Avery School District?
None reported; Avery School District operates only Calder School as a public school district in NCES's records.
Related tools
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, the data changelog, or report a data error. Data current as of August 2026.