Enrollment
53
Idaho · 2024-25 NCES data
High school (grades 9-12) · Boise, ID
Cardinal Academy
Federal NCES profile for Cardinal Academy, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 58/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 160020001151Charter school
👥 S:T ratio 58
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Cardinal Academy earns 58/100 on the Resource Investment Index, with class sizes smaller than 90% of Idaho schools.
- #1 of 7
- high schools in Boise · Resource Index
- 58
- Resource Index · Higher
- 10.6:1
- small classes for Idaho
- 53
- students enrolled
Cardinal Academy has class sizes smaller than 90% of Idaho schools. Computed live against every Idaho school reporting to NCES.
By Resource Investment Index, Cardinal Academy ranks #1 of 7 high schools in Boise, ID.
School address
District: Cardinal Academy Incorporated · Idaho
NCES ID 160020001151 Verify on NCES CCD record →
Teachers (FTE)
5.0
Federal CCD staff survey
Students per teacher
10.6:1
vs 17.1:1 Idaho avg
-38% vs state
Student-teacher ratio in context
How Cardinal Academy compares with Idaho and U.S. medians
What stands out at Cardinal Academy
Cardinal Academy is a small charter high school in Boise, Idaho, enrolling 53 students.
Classes run notably small here: at 10.6:1, Cardinal Academy is leaner than roughly 90% of Idaho schools and 38% under the state's 17.1:1 norm, more adult attention per pupil than most peers.
Enrollment of 53 puts it in the smaller third of Idaho schools by headcount.
Its Resource Investment Index outscores 92% of the 775 Idaho schools with a score on record, a top-tier result on this measure.
Its student body is led by White (68%) and Hispanic or Latino (23%) (diversity index 48/100).
The surrounding Cardinal Academy Incorporated spends $23,250 per pupil, 95% above the Idaho average, a better-resourced district than most.
Its district draws 33.5% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Cardinal Academy Incorporated is a single-school charter district, so Cardinal Academy operates independently rather than alongside district-mates. At 53 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 Cardinal Academy compares
Cardinal Academy on the metrics families compare, against Idaho and U.S. means.
| Metric | This school | vs Idaho | Idaho avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 10.6:1 | ▼ 38% | 17.1:1 | 15.7:1 |
| Enrollment | 53 | top 90% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
10.6:1
Leaner classes than 85% of US schools, among the more generously staffed nationally.
53
Bigger than 6% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Staffing depth
10.6:1
students per teacher
- 38% below state mean
Top 10% in Idaho - lower ratio than 90% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Funding equity
$23,250
per pupil, district-wide
- above Idaho avg of $11,939
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
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.
Student demographics
White 67.9%
Hispanic or Latino 22.6%
African American 5.7%
Two or More 3.8%
Largest group: White at 67.9% of enrollment.
Student-body diversity index 48.3/100
Simpson diversity index - at 48.3, Cardinal Academy is more mixed than the Idaho school average of 36.3.
Funding & spending
District-wide per-pupil expenditure for Cardinal Academy Incorporated, which includes Cardinal Academy.
$23,250
Per student
+95%
vs Idaho
Avg $11,939
+40%
vs U.S.
Avg $16,593
Revenue mix
Local 29.9%
State 36.6%
Federal 33.5%
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.
Similar high 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 (~53 students)
Similar student-teacher ratio (~10.6:1)
Next steps
Verify locally before acting on Cardinal Academy's federal record.
- Compare Cardinal Academy against another school. Compare schools
- Cardinal Academy Incorporated'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 Cardinal Academy
How many students attend Cardinal Academy?
Cardinal Academy has 53 students enrolled. It is a high school in Boise, ID.
What is the student-teacher ratio at Cardinal Academy?
The student-teacher ratio at Cardinal Academy is 10.6:1, which is 38% lower than the Idaho average of 17.1:1 and 32% 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 Cardinal Academy?
The largest demographic group at Cardinal Academy is White at 67.9% of enrollment, in Boise, ID.
What is the Resource Investment Index for Cardinal Academy?
Cardinal Academy has a Resource Investment Index of 58/100 (higher reported resources relative to schools nationally) based on 1 factor: 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.
How does Cardinal Academy rank among high schools in Boise?
By Resource Investment Index, Cardinal Academy ranks #1 of 7 high schools in Boise, ID. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Boise on the city page.
Is Cardinal Academy a good school?
Cardinal Academy earns 58/100 on the Resource Investment Index, with class sizes smaller than 90% 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.
What other schools are in Cardinal Academy Incorporated?
None; Cardinal Academy Incorporated is a single-school charter district, and Cardinal Academy is its only campus.
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, or report a data error. Data current as of June 2026.