Enrollment
521
Florida · 2024-25 NCES data
Elementary school (grades K-5) · Miami, FL
Coral Reef Montessori Academy Charter School
Federal NCES profile for Coral Reef Montessori Academy Charter School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 16/100.
2024-25 NCES dataElementary school (grades K-5)NCES 120039003340Charter school
👥 S:T ratio 13
🌟 Gifted program 30
🎓 Counselors 0
📋 Attendance 20
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Coral Reef Montessori Academy Charter School earns 16/100 on the Resource Investment Index, with class sizes larger than 84% of Florida schools.
- #36 of 42
- elementary schools in Miami · Resource Index
- 16
- Resource Index · Lower
- 21.7:1
- large classes for Florida
- 25.2%
- free-lunch eligible
Coral Reef Montessori Academy Charter School has class sizes larger than 84% of Florida schools. Computed live against every Florida school reporting to NCES.
By Resource Investment Index, Coral Reef Montessori Academy Charter School ranks #36 of 42 elementary schools in Miami, FL.
School address
Teachers (FTE)
24.0
Federal CCD staff survey
Students per teacher
21.7:1
vs 17.8:1 Florida avg
+22% vs state
Free-lunch eligible
25.2%
vs 52.0% Florida avg
-52% vs state
Student-teacher ratio in context
How Coral Reef Montessori Academy Charter School compares with Florida and U.S. medians
What stands out at Coral Reef Montessori Academy Charter School
Coral Reef Montessori Academy Charter School is a mid-sized charter elementary school in Miami, Florida, enrolling 521 students.
Class loads run somewhat heavier than typical: 21.7:1 puts it in the larger third of Florida schools by student-teacher ratio.
Comparatively few students face economic hardship here, 25.2% free-meal eligibility runs 52% below the Florida average.
With 521 students, its enrollment sits close to the Florida median campus size.
Its Resource Investment Index trails 98% of the 3,996 Florida schools with a score on record, one of the lower results on this measure.
Among 321 similarly sized, similarly resourced-need Florida schools statewide, it ranks #317, in the lower tier once campus size and economic need are matched.
Its student body is led by Hispanic or Latino (66%) and African American (24%) (diversity index 51/100).
Counselor access is stretched at roughly 521 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 32.1% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district draws 19.5% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Miami-Dade also operates John a. Ferguson Senior High (4,291 students) and Coral Reef Senior High School (3,399 students) alongside Coral Reef Montessori 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 Coral Reef Montessori Academy Charter School compares
Coral Reef Montessori Academy Charter School on the metrics families compare, against Florida and U.S. means.
| Metric | This school | vs Florida | Florida avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 21.7:1 | ▲ 22% | 17.8:1 | 15.7:1 |
| Free-lunch eligible | 25.2% | ▼ 52% | 52.0% | 51.7% |
| Enrollment | 521 | top 58% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
21.7:1
Leaner classes than 11% of US schools, heavier class loads than most.
521
Bigger than 64% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
25.2%
free-lunch eligible
- 52% below the Florida average of 52.0%
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
21.7:1
students per teacher
- 22% above state mean
Top 84% in Florida - lower ratio than 16% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
32.1%
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
$12,258
per pupil, district-wide
- above Florida avg of $11,167
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 521 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 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 65.6%
African American 24.2%
White 5.8%
Two or More 3.5%
Asian 1.0%
Largest group: Hispanic or Latino at 65.6% of enrollment.
Student-body diversity index 50.6/100
Simpson diversity index - at 50.6, Coral Reef Montessori Academy Charter School is about as mixed as the Florida school average of 52.3.
Programs
Funding & spending
District-wide per-pupil expenditure for Miami-Dade, which includes Coral Reef Montessori Academy Charter School.
$12,258
Per student
+10%
vs Florida
Avg $11,167
-26%
vs U.S.
Avg $16,593
Revenue mix
Local 57.2%
State 23.3%
Federal 19.5%
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.
How Coral Reef Montessori Academy Charter School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| John a. Ferguson Senior High | Larger | Higher economic need | Higher S:T ratio |
| Coral Reef Senior High School | Larger | Similar economic need | Higher S:T ratio |
| South Dade Senior High School | Larger | Higher economic need | Higher S:T ratio |
| Miami Senior High School | Larger | Higher economic need | Higher S:T ratio |
| Hialeah Gardens Senior High School | Larger | Higher economic need | Higher S:T ratio |
Comparisons are relative to Coral Reef Montessori Academy Charter School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 4,291
- Students per teacher
- 26.3:1
- Resource Index
- 23/100
- Enrollment
- 3,399
- Students per teacher
- 27:1
- Resource Index
- 37/100
- Enrollment
- 3,382
- Students per teacher
- 27.7:1
- Resource Index
- 23/100
- Enrollment
- 3,100
- Students per teacher
- 25.8:1
- Resource Index
- 23/100
- Enrollment
- 3,009
- Students per teacher
- 28.4:1
- Resource Index
- 23/100
Similar elementary schools statewide
Matched by enrollment size and by staffing ratio across all of Florida, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~521 students)
Next steps
Verify locally before acting on Coral Reef Montessori Academy Charter School's federal record.
- Compare Coral Reef Montessori Academy Charter School against another school. Compare schools
- Miami-Dade'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 Coral Reef Montessori Academy Charter School
How many students attend Coral Reef Montessori Academy Charter School?
Coral Reef Montessori Academy Charter School has 521 students enrolled. It is an elementary school in Miami, FL.
What is the student-teacher ratio at Coral Reef Montessori Academy Charter School?
The student-teacher ratio at Coral Reef Montessori Academy Charter School is 21.7:1, which is 22% higher than the Florida average of 17.8:1 and 38% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Coral Reef Montessori Academy Charter School?
25.2% of students at Coral Reef Montessori Academy Charter School are eligible for free lunch, compared to the Florida average of 52.0%.
What is the racial and ethnic makeup of Coral Reef Montessori Academy Charter School?
The largest demographic group at Coral Reef Montessori Academy Charter School is Hispanic or Latino at 65.6% of enrollment, in Miami, FL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 50.6/100.
What is the Resource Investment Index for Coral Reef Montessori Academy Charter School?
Coral Reef Montessori Academy Charter School has a Resource Investment Index of 16/100 (lower reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Coral Reef Montessori Academy Charter School rank among elementary schools in Miami?
By Resource Investment Index, Coral Reef Montessori Academy Charter School ranks #36 of 42 elementary schools in Miami, FL. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Miami on the city page.
Is Coral Reef Montessori Academy Charter School a good school?
Coral Reef Montessori Academy Charter School earns 16/100 on the Resource Investment Index, with class sizes larger than 84% of Florida 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 Miami-Dade?
Besides Coral Reef Montessori Academy Charter School, Miami-Dade also operates John a. Ferguson Senior High (4,291 students), Coral Reef Senior High School (3,399 students), and South Dade Senior High School (3,382 students). See the Miami-Dade 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.