Enrollment
433
South Carolina · 2024-25 NCES data
Other / mixed grade configuration · Mt. Pleasant, SC
Federal NCES profile for East Cooper Montessori Charter, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 61/100.
The verdict
East Cooper Montessori Charter earns 61/100 on the Resource Investment Index, with class sizes near the South Carolina median. It is also less racially and ethnically mixed than most South Carolina schools.
East Cooper Montessori Charter has class sizes near the South Carolina median. Computed live against every South Carolina school reporting to NCES.
By Resource Investment Index, East Cooper Montessori Charter ranks #1 of 7 schools in Mt. Pleasant, SC.
NCES ID 450144000856 Verify on NCES CCD record →
Enrollment
433
South Carolina · 2024-25 NCES data
Teachers (FTE)
31.0
Federal CCD staff survey
Students per teacher
14:1
vs 14.3:1 South Carolina avg
-2% vs state
Free-lunch eligible
19.9%
vs 74.0% South Carolina avg
-73% vs state
How East Cooper Montessori Charter compares with South Carolina and U.S. medians
At or below state median
14:1 - 0.3 below the South Carolina state median of 14.3:1, indicating smaller average class loads than typical schools in the state.
East Cooper Montessori Charter is a lower-poverty, mid-sized charter combined-grade school in Mt. Pleasant, South Carolina, enrolling 433 students.
At 14:1, its student-teacher ratio sits close to the South Carolina median, within a few percentage points of the 14.3:1 state norm, neither notably crowded nor notably small.
Comparatively few students face economic hardship here, 19.9% free-meal eligibility runs 73% below the South Carolina average.
With 433 students, its enrollment sits close to the South Carolina median campus size.
Its Resource Investment Index outscores 95% of the 1,214 South Carolina schools with a score on record, a top-tier result on this measure.
Among 30 similarly sized, similarly resourced-need South Carolina schools statewide, it ranks #3, a top-tier result once campus size and economic need are matched.
Its student body is predominantly White (87% of enrollment), among the less diverse in the state (diversity index 25/100).
Counselor coverage runs a bit thin, about 289 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Attendance holds up well here: only 4.4% of students were chronically absent, below the typical post-pandemic national figure.
Among Mt. Pleasant's public schools, it stands alongside Jennie Moore Elementary (993 students): East Cooper Montessori Charter is smaller than that campus by headcount and runs leaner classes (14:1 vs 15.8:1).
Charleston 01 also operates Wando High (2,588 students) and Rb Stall High (2,135 students) alongside East Cooper Montessori Charter.
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
East Cooper Montessori Charter on the metrics families compare, against South Carolina and U.S. means.
| Metric | This school | vs South Carolina | South Carolina avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 14:1 | ▼ 2% | 14.3:1 | 15.7:1 |
| Free-lunch eligible | 19.9% | ▼ 73% | 74.0% | 51.7% |
| Enrollment | 433 | top 65% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
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.
Largest group: White at 86.6% of enrollment.
Simpson diversity index - at 24.5, East Cooper Montessori Charter is less mixed than the South Carolina school average of 52.7.
District-wide per-pupil expenditure for Charleston 01, which includes East Cooper Montessori Charter.
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.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Wando High | Larger | Similar economic need | Higher S:T ratio |
| Rb Stall High | Larger | Higher economic need | Higher S:T ratio |
| West Ashley High | Larger | Higher economic need | Higher S:T ratio |
| Lucy Garrett Beckham High | Larger | Similar economic need | Higher S:T ratio |
| James Island Charter High | Larger | Higher economic need | Similar S:T ratio |
Comparisons are relative to East Cooper Montessori Charter's own figures; each column derives from NCES Common Core of Data.
6 comparable other schools (grades Mixed) serving the same city.
Matched by enrollment size and by staffing ratio across all of South Carolina, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on East Cooper Montessori Charter's federal record.
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.
East Cooper Montessori Charter has 433 students enrolled. It is a public school in Mt. Pleasant, SC.
The student-teacher ratio at East Cooper Montessori Charter is 14:1, which is 2% lower than the South Carolina average of 14.3:1 and 11% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
19.9% of students at East Cooper Montessori Charter are eligible for free lunch, compared to the South Carolina average of 74.0%.
The largest demographic group at East Cooper Montessori Charter is White at 86.6% of enrollment, in Mt. Pleasant, SC.
East Cooper Montessori Charter has a Resource Investment Index of 61/100 (higher 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).
By Resource Investment Index, East Cooper Montessori Charter ranks #1 of 7 schools in Mt. Pleasant, SC. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Mt. Pleasant on the city page.
East Cooper Montessori Charter earns 61/100 on the Resource Investment Index, with class sizes near the South Carolina median. It is also less racially and ethnically mixed than most South Carolina 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.
Besides East Cooper Montessori Charter, Charleston 01 also operates Wando High (2,588 students), Rb Stall High (2,135 students), and West Ashley High (2,069 students). See the Charleston 01 district page for the complete list.
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.
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PlainSchools, “East Cooper Montessori Charter, Mt. Pleasant SC.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/east-cooper-montessori-charter-sc
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