Enrollment
581
Colorado · 2024-25 NCES data
Other / mixed grade configuration · Castle Rock, CO
Academy Charter School
Federal NCES profile for Academy Charter School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 48/100.
2024-25 NCES dataOther / mixed grade configurationNCES 080345000492Charter school
👥 S:T ratio 37
🌟 Gifted program 70
🎓 Counselors 35
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Academy Charter School earns 48/100 on the Resource Investment Index, with class sizes near the Colorado median.
- #2 of 14
- schools in Castle Rock · Resource Index
- 48
- Resource Index · Typical
- 15.7:1
- students per teacher
- 3.6%
- free-lunch eligible
Academy Charter School has class sizes near the Colorado median. Computed live against every Colorado school reporting to NCES.
By Resource Investment Index, Academy Charter School ranks #2 of 14 schools in Castle Rock, CO.
School address
District: Douglas County School District No. Re 1 · Colorado
NCES ID 080345000492 Verify on NCES CCD record →
Teachers (FTE)
37.0
Federal CCD staff survey
Students per teacher
15.7:1
vs 16.6:1 Colorado avg
-5% vs state
Free-lunch eligible
3.6%
vs 38.5% Colorado avg
-91% vs state
Student-teacher ratio in context
How Academy Charter School compares with Colorado and U.S. medians
What stands out at Academy Charter School
Academy Charter School is a lower-poverty, mid-sized charter combined-grade school in Castle Rock, Colorado, enrolling 581 students.
At 15.7:1, its student-teacher ratio sits close to the Colorado median, within a few percentage points of the 16.6:1 state norm, neither notably crowded nor notably small.
Comparatively few students face economic hardship here, 3.6% free-meal eligibility runs 91% below the Colorado average.
Enrollment of 581 puts it in the larger third of Colorado schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 1,922 scored Colorado schools.
Against 241 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #82.
Its student body is led by White (76%) and Hispanic or Latino (12%) (diversity index 41/100).
Counselor coverage runs a bit thin, about 323 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
The surrounding Douglas County School District No. Re 1 spends $11,848 per pupil, 27% below the Colorado average, a leaner-resourced district than most.
Douglas County School District No. Re 1 also operates American Academy (2,803 students) and Rock Canyon High School (2,325 students) alongside Academy Charter 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
How Academy Charter School compares
Academy Charter School on the metrics families compare, against Colorado and U.S. means.
| Metric | This school | vs Colorado | Colorado avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 15.7:1 | ▼ 5% | 16.6:1 | 15.7:1 |
| Free-lunch eligible | 3.6% | ▼ 91% | 38.5% | 51.7% |
| Enrollment | 581 | top 21% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
15.7:1
Leaner classes than 41% of US schools, a middle-of-the-pack class size.
581
Bigger than 71% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
3.6%
free-lunch eligible
- 91% below the Colorado average of 38.5%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
15.7:1
students per teacher
- 5% below state mean
Top 50% in Colorado - lower ratio than 50% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Funding equity
$11,848
per pupil, district-wide
- below Colorado avg of $16,273
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors1.8 FTE
Per 323 students, the combined health-and-guidance staffing load for this school.
Discipline context
2
in-school suspensions + 5 out-of-school
Suspension rate: 0.3 per 100 students. Combined in-school and out-of-school rate: 1.2 per 100 students. Reported via the Civil Rights Data Collection.
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 75.7%
Hispanic or Latino 12.2%
Two or More 6.5%
Asian 4.1%
African American 0.9%
American Indian / Alaska Native 0.5%
Largest group: White at 75.7% of enrollment.
Student-body diversity index 40.6/100
Simpson diversity index - at 40.6, Academy Charter School is less mixed than the Colorado school average of 47.1.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Douglas County School District No. Re 1, which includes Academy Charter School.
$11,848
Per student
-27%
vs Colorado
Avg $16,273
-29%
vs U.S.
Avg $16,593
Revenue mix
Local 52.8%
State 40.8%
Federal 6.4%
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.
How Academy Charter School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| American Academy | Larger | Similar economic need | Higher S:T ratio |
| Rock Canyon High School | Larger | No free-lunch data | Higher S:T ratio |
| Legend High School | Larger | No free-lunch data | Higher S:T ratio |
| Mountain Vista High School | Larger | No free-lunch data | Higher S:T ratio |
| Chaparral High School | Larger | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Academy Charter School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,803
- Students per teacher
- 18:1
- Resource Index
- 33/100
- Enrollment
- 2,325
- Students per teacher
- 21.1:1
- Resource Index
- 47/100
- Enrollment
- 2,206
- Students per teacher
- 20.6:1
- Resource Index
- 29/100
- Enrollment
- 2,169
- Students per teacher
- 19.5:1
- Resource Index
- 50/100
- Enrollment
- 2,007
- Students per teacher
- 19.5:1
- Resource Index
- 50/100
Similar other schools statewide
Matched by enrollment size and by staffing ratio across all of Colorado, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~581 students)
Next steps
Verify locally before acting on Academy Charter School's federal record.
- Compare Academy Charter School against another school. Compare schools
- Douglas County School District No. Re 1'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 Academy Charter School
How many students attend Academy Charter School?
Academy Charter School has 581 students enrolled. It is a public school in Castle Rock, CO.
What is the student-teacher ratio at Academy Charter School?
The student-teacher ratio at Academy Charter School is 15.7:1, which is 5% lower than the Colorado average of 16.6:1 and 0% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Academy Charter School?
3.6% of students at Academy Charter School are eligible for free lunch, compared to the Colorado average of 38.5%.
What is the racial and ethnic makeup of Academy Charter School?
The largest demographic group at Academy Charter School is White at 75.7% of enrollment, in Castle Rock, CO.
What is the Resource Investment Index for Academy Charter School?
Academy Charter School has a Resource Investment Index of 48/100 (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).
How does Academy Charter School rank among schools in Castle Rock?
By Resource Investment Index, Academy Charter School ranks #2 of 14 schools in Castle Rock, CO. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Castle Rock on the city page.
Is Academy Charter School a good school?
Academy Charter School earns 48/100 on the Resource Investment Index, with class sizes near the Colorado 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.
What other schools are in Douglas County School District No. Re 1?
Besides Academy Charter School, Douglas County School District No. Re 1 also operates American Academy (2,803 students), Rock Canyon High School (2,325 students), and Legend High School (2,206 students). See the Douglas County School District No. Re 1 district page for the complete list.
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.