Enrollment
365
Colorado · 2024-25 NCES data
Other / mixed grade configuration · Aurora, CO
Montessori Del Mundo Charter School
Federal NCES profile for Montessori Del Mundo Charter School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 38/100.
2024-25 NCES dataOther / mixed grade configurationNCES 080002006602Charter school
👥 S:T ratio 27
🌟 Gifted program 70
📋 Attendance 17
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Montessori Del Mundo Charter School earns 38/100 on the Resource Investment Index, with class sizes larger than 74% of Colorado schools.
- #47 of 70
- schools in Aurora · Resource Index
- 38
- Resource Index · Typical
- 18.3:1
- large classes for Colorado
- 35.6%
- free-lunch eligible
Montessori Del Mundo Charter School has class sizes larger than 74% of Colorado schools. Computed live against every Colorado school reporting to NCES.
By Resource Investment Index, Montessori Del Mundo Charter School ranks #47 of 70 schools in Aurora, CO.
School address
District: State Charter School Institute · Colorado
NCES ID 080002006602 Verify on NCES CCD record →
Teachers (FTE)
20.0
Federal CCD staff survey
Students per teacher
18.3:1
vs 16.6:1 Colorado avg
+10% vs state
Free-lunch eligible
35.6%
vs 38.5% Colorado avg
-8% vs state
Student-teacher ratio in context
How Montessori Del Mundo Charter School compares with Colorado and U.S. medians
What stands out at Montessori Del Mundo Charter School
Montessori Del Mundo Charter School is a mid-sized charter combined-grade school in Aurora, Colorado, enrolling 365 students.
Class loads run somewhat heavier than typical: 18.3:1 puts it in the larger third of Colorado schools by student-teacher ratio.
Its free-meal eligibility rate of 35.6% lands close to the Colorado typical range, neither a high- nor low-need campus by this measure.
With 365 students, its enrollment sits close to the Colorado median campus size.
Its Resource Investment Index lands in the lower third of 1,922 scored Colorado schools.
Among 339 similarly sized, similarly resourced-need Colorado schools statewide, it ranks #245, in the lower tier once campus size and economic need are matched.
Its student body is predominantly Hispanic or Latino (85% of enrollment) (diversity index 26/100).
Chronic absenteeism is elevated: 33.4% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding State Charter School Institute spends $10,869 per pupil, 33% below the Colorado average, a leaner-resourced district than most.
State Charter School Institute also operates The Pinnacle Charter School (1,905 students) and Academy of Charter Schools (1,887 students) alongside Montessori Del Mundo 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 Montessori Del Mundo Charter School compares
Montessori Del Mundo 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 | 18.3:1 | ▲ 10% | 16.6:1 | 15.7:1 |
| Free-lunch eligible | 35.6% | ▼ 8% | 38.5% | 51.7% |
| Enrollment | 365 | top 50% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
18.3:1
Leaner classes than 23% of US schools, heavier class loads than most.
365
Bigger than 42% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
35.6%
free-lunch eligible
- 8% below the Colorado average of 38.5%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
18.3:1
students per teacher
- 10% above state mean
Top 74% in Colorado - lower ratio than 26% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
33.4%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$10,869
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 + 0 out-of-school
Suspension rate: 0.8 per 100 students. Combined in-school and out-of-school rate: 0.8 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
Hispanic or Latino 85.2%
White 9.6%
African American 1.9%
Two or More 1.4%
American Indian / Alaska Native 0.8%
Asian 0.5%
Native Hawaiian / Pacific Islander 0.5%
Largest group: Hispanic or Latino at 85.2% of enrollment.
Student-body diversity index 26.4/100
Simpson diversity index - at 26.4, Montessori Del Mundo 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 State Charter School Institute, which includes Montessori Del Mundo Charter School.
$10,869
Per student
-33%
vs Colorado
Avg $16,273
-34%
vs U.S.
Avg $16,593
Revenue mix
Local 8.8%
State 81.0%
Federal 10.1%
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 Montessori Del Mundo Charter School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| The Pinnacle Charter School | Larger | Higher economic need | Lower S:T ratio |
| Academy of Charter Schools | Larger | Lower economic need | Higher S:T ratio |
| Colorado Early Colleges Douglas County | Larger | Lower economic need | Higher S:T ratio |
| Colorado Early Colleges Fort Collins | Larger | Lower economic need | Similar S:T ratio |
| Thomas Maclaren State Charter School | Larger | Lower economic need | Lower S:T ratio |
Comparisons are relative to Montessori Del Mundo Charter School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,905
- Students per teacher
- 16.7:1
- Resource Index
- 32/100
- Enrollment
- 1,887
- Students per teacher
- 20.5:1
- Resource Index
- 22/100
- Enrollment
- 1,035
- Students per teacher
- 25.2:1
- Resource Index
- 49/100
- Enrollment
- 971
- Students per teacher
- 18:1
- Resource Index
- 52/100
- Enrollment
- 927
- Students per teacher
- 12.4:1
- Resource Index
- 47/100
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 (~365 students)
Next steps
Verify locally before acting on Montessori Del Mundo Charter School's federal record.
- Compare Montessori Del Mundo Charter School against another school. Compare schools
- State Charter School Institute'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 Montessori Del Mundo Charter School
How many students attend Montessori Del Mundo Charter School?
Montessori Del Mundo Charter School has 365 students enrolled. It is a public school in Aurora, CO.
What is the student-teacher ratio at Montessori Del Mundo Charter School?
The student-teacher ratio at Montessori Del Mundo Charter School is 18.3:1, which is 10% higher than the Colorado average of 16.6:1 and 17% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Montessori Del Mundo Charter School?
35.6% of students at Montessori Del Mundo Charter School are eligible for free lunch, compared to the Colorado average of 38.5%.
What is the racial and ethnic makeup of Montessori Del Mundo Charter School?
The largest demographic group at Montessori Del Mundo Charter School is Hispanic or Latino at 85.2% of enrollment, in Aurora, CO.
What is the Resource Investment Index for Montessori Del Mundo Charter School?
Montessori Del Mundo Charter School has a Resource Investment Index of 38/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Montessori Del Mundo Charter School rank among schools in Aurora?
By Resource Investment Index, Montessori Del Mundo Charter School ranks #47 of 70 schools in Aurora, CO. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Aurora on the city page.
Is Montessori Del Mundo Charter School a good school?
Montessori Del Mundo Charter School earns 38/100 on the Resource Investment Index, with class sizes larger than 74% 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 State Charter School Institute?
Besides Montessori Del Mundo Charter School, State Charter School Institute also operates The Pinnacle Charter School (1,905 students), Academy of Charter Schools (1,887 students), and Colorado Early Colleges Douglas County (1,035 students). See the State Charter School Institute 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.