Enrollment
547
Colorado · 2024-25 NCES data
Other / mixed grade configuration · Castle Rock, CO
Dc Montessori Charter School
Federal NCES profile for Dc Montessori Charter School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 44/100.
2024-25 NCES dataOther / mixed grade configurationNCES 080345001581Charter school
👥 S:T ratio 19
🌟 Gifted program 70
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Dc Montessori Charter School earns 44/100 on the Resource Investment Index, with class sizes larger than 87% of Colorado schools.
- #3 of 14
- schools in Castle Rock · Resource Index
- 44
- Resource Index · Typical
- 20.3:1
- large classes for Colorado
- 3.6%
- free-lunch eligible
Dc Montessori Charter School has class sizes larger than 87% of Colorado schools. Computed live against every Colorado school reporting to NCES.
By Resource Investment Index, Dc Montessori Charter School ranks #3 of 14 schools in Castle Rock, CO.
School address
District: Douglas County School District No. Re 1 · Colorado
NCES ID 080345001581 Verify on NCES CCD record →
Teachers (FTE)
27.0
Federal CCD staff survey
Students per teacher
20.3:1
vs 16.6:1 Colorado avg
+22% vs state
Free-lunch eligible
3.6%
vs 38.5% Colorado avg
-91% vs state
Student-teacher ratio in context
How Dc Montessori Charter School compares with Colorado and U.S. medians
What stands out at Dc Montessori Charter School
Dc Montessori Charter School is a lower-poverty, mid-sized charter combined-grade school in Castle Rock, Colorado, enrolling 547 students.
Class loads run heavy: 20.3:1 is larger than about 87% of Colorado schools and 22% above the 16.6:1 state mean, so each teacher carries more students than is typical.
Comparatively few students face economic hardship here, 3.6% free-meal eligibility runs 91% below the Colorado average.
Enrollment of 547 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 247 statewide peers matched on enrollment and economic need, it ranks mid-pack at #124.
Its student body is led by White (68%) and Hispanic or Latino (15%) (diversity index 50/100).
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 Dc Montessori 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 Dc Montessori Charter School compares
Dc Montessori 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 | 20.3:1 | ▲ 22% | 16.6:1 | 15.7:1 |
| Free-lunch eligible | 3.6% | ▼ 91% | 38.5% | 51.7% |
| Enrollment | 547 | top 24% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
20.3:1
Leaner classes than 15% of US schools, heavier class loads than most.
547
Bigger than 67% 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
20.3:1
students per teacher
- 22% above state mean
Top 87% in Colorado - lower ratio than 13% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
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
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
3
in-school suspensions + 1 out-of-school
Suspension rate: 0.5 per 100 students. Combined in-school and out-of-school rate: 0.7 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 68.0%
Hispanic or Latino 15.2%
Two or More 10.1%
Asian 6.4%
African American 0.2%
Native Hawaiian / Pacific Islander 0.2%
Largest group: White at 68.0% of enrollment.
Student-body diversity index 50.0/100
Simpson diversity index - at 50.0, Dc Montessori Charter School is more 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 Dc Montessori 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 Dc Montessori Charter School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| American Academy | Larger | Similar economic need | Lower S:T ratio |
| Rock Canyon High School | Larger | No free-lunch data | Similar S:T ratio |
| Legend High School | Larger | No free-lunch data | Similar S:T ratio |
| Mountain Vista High School | Larger | No free-lunch data | Similar S:T ratio |
| Chaparral High School | Larger | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Dc Montessori 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 (~547 students)
Similar student-teacher ratio (~20.3:1)
Next steps
Verify locally before acting on Dc Montessori Charter School's federal record.
- Compare Dc Montessori 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 Dc Montessori Charter School
How many students attend Dc Montessori Charter School?
Dc Montessori Charter School has 547 students enrolled. It is a public school in Castle Rock, CO.
What is the student-teacher ratio at Dc Montessori Charter School?
The student-teacher ratio at Dc Montessori Charter School is 20.3:1, which is 22% higher than the Colorado average of 16.6:1 and 29% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Dc Montessori Charter School?
3.6% of students at Dc Montessori Charter School are eligible for free lunch, compared to the Colorado average of 38.5%.
What is the racial and ethnic makeup of Dc Montessori Charter School?
The largest demographic group at Dc Montessori Charter School is White at 68.0% of enrollment, in Castle Rock, CO. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 50.0/100.
What is the Resource Investment Index for Dc Montessori Charter School?
Dc Montessori Charter School has a Resource Investment Index of 44/100 (typical 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.
How does Dc Montessori Charter School rank among schools in Castle Rock?
By Resource Investment Index, Dc Montessori Charter School ranks #3 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 Dc Montessori Charter School a good school?
Dc Montessori Charter School earns 44/100 on the Resource Investment Index, with class sizes larger than 87% of Colorado 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 Douglas County School District No. Re 1?
Besides Dc Montessori 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.