Other / mixed grade configuration · Charleston, SC

Charleston Charter School for Math and Science

Federal NCES profile for Charleston Charter School for Math and Science, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 57/100.

2024-25 NCES dataOther / mixed grade configurationNCES 450144001505Charter school
0/100100/10057/100
👥 S:T ratio
54
🌟 Gifted program
70
🎓 Counselors
43
📋 Attendance
62
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

Charleston Charter School for Math and Science earns 57/100 on the Resource Investment Index, with class sizes smaller than 83% of South Carolina schools.

#3 of 21
schools in Charleston · Resource Index
57
Resource Index · Higher
11.5:1
small classes for South Carolina
62.0%
free-lunch eligible

Charleston Charter School for Math and Science has class sizes smaller than 83% of South Carolina schools. Computed live against every South Carolina school reporting to NCES.

By Resource Investment Index, Charleston Charter School for Math and Science ranks #3 of 21 schools in Charleston, SC.

School address

Enrollment

573

South Carolina · 2024-25 NCES data

Teachers (FTE)

50.0

Federal CCD staff survey

Students per teacher

11.5:1

vs 14.3:1 South Carolina avg

-20% vs state

Free-lunch eligible

62.0%

vs 74.0% South Carolina avg

-16% vs state

Student-teacher ratio in context

How Charleston Charter School for Math and Science compares with South Carolina and U.S. medians

Smaller classes than state median

Source: NCES Common Core of Data As of 2024-25 federal staff survey Total enrollment ÷ full-time-equivalent classroom teachers

What stands out at Charleston Charter School for Math and Science

Charleston Charter School for Math and Science is a higher-need, mid-sized charter combined-grade school in Charleston, South Carolina, enrolling 573 students.

Class sizes run a bit leaner than typical: 11.5:1 puts it in the smaller third of South Carolina schools by student-teacher ratio.

Economic need runs somewhat below the state's typical profile, with 62.0% of students eligible for free meals.

With 573 students, its enrollment sits close to the South Carolina median campus size.

Its Resource Investment Index outscores 91% of the 1,214 South Carolina schools with a score on record, a top-tier result on this measure.

Among 150 similarly sized, similarly resourced-need South Carolina schools statewide, it ranks #6, a top-tier result once campus size and economic need are matched.

Its student body is led by African American (50%) and White (37%) (diversity index 61/100).

Counselor coverage runs a bit thin, about 287 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.

15.2% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.

Discipline events run high: 183 in- and out-of-school suspensions were reported for 573 students in the 2021-22 Civil Rights Data Collection.

Among Charleston's public schools, it stands alongside Orange Grove Charter School (1,170 students): Charleston Charter School for Math and Science is smaller than that campus by headcount and runs leaner classes (11.5:1 vs 15.8:1).

Charleston 01 also operates Wando High (2,588 students) and Rb Stall High (2,135 students) alongside Charleston Charter School for Math and Science.

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 Charleston Charter School for Math and Science compares

Charleston Charter School for Math and Science 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 11.5:1 ▼ 20% 14.3:1 15.7:1
Free-lunch eligible 62.0% ▼ 16% 74.0% 51.7%
Enrollment 573 top 46% - -

Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25

11.5:1
Leaner classes than 79% of US schools, among the more generously staffed nationally.
573
Bigger than 70% of US schools by enrollment, mid-sized for the country.

Equity indicators (what these measure)

Economic need
62.0%
free-lunch eligible - 16% below the South Carolina average of 74.0%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
11.5:1
students per teacher - 20% below state mean
Top 17% in South Carolina - lower ratio than 83% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
15.2%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$15,213
per pupil, district-wide - above South Carolina avg of $14,558
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors2.0 FTE
Per 287 students, the combined health-and-guidance staffing load for this school.
Discipline context
103
in-school suspensions + 80 out-of-school
Suspension rate: 18.0 per 100 students. Combined in-school and out-of-school rate: 31.9 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

African American 49.6%
White 36.6%
Hispanic or Latino 9.4%
Two or More 3.5%
Asian 0.7%
American Indian / Alaska Native 0.2%

Largest group: African American at 49.6% of enrollment.

Student-body diversity index 61.0/100

Simpson diversity index - at 61.0, Charleston Charter School for Math and Science is more mixed than the South Carolina school average of 52.7.

Programs

AP courses offered 8
Gifted & talented Yes

Funding & spending

District-wide per-pupil expenditure for Charleston 01, which includes Charleston Charter School for Math and Science.

$15,213
Per student
+4%
vs South Carolina
Avg $14,558
-8%
vs U.S.
Avg $16,593
Revenue mix
Local 59.0%
State 27.7%
Federal 13.3%

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 Charleston Charter School for Math and Science Compares to District-Mates

School Enrollment Economic Profile Student-Teacher Ratio
Wando High Larger Lower 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 Lower economic need Higher S:T ratio
James Island Charter High Larger Lower economic need Higher S:T ratio

Comparisons are relative to Charleston Charter School for Math and Science's own figures; each column derives from NCES Common Core of Data.

Other Schools in This District

Charleston 01 · 5 sibling schools

View district profile

Similar other schools in Charleston

6 comparable other schools (grades Mixed) serving the same city.

Similar other schools statewide

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 Charleston Charter School for Math and Science'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.

Frequently asked questions about Charleston Charter School for Math and Science

How many students attend Charleston Charter School for Math and Science?

Charleston Charter School for Math and Science has 573 students enrolled. It is a public school in Charleston, SC.

What is the student-teacher ratio at Charleston Charter School for Math and Science?

The student-teacher ratio at Charleston Charter School for Math and Science is 11.5:1, which is 20% lower than the South Carolina average of 14.3:1 and 27% lower 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 Charleston Charter School for Math and Science?

62.0% of students at Charleston Charter School for Math and Science are eligible for free lunch, compared to the South Carolina average of 74.0%.

What is the racial and ethnic makeup of Charleston Charter School for Math and Science?

The largest demographic group at Charleston Charter School for Math and Science is African American at 49.6% of enrollment, in Charleston, SC. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 61.0/100.

What is the Resource Investment Index for Charleston Charter School for Math and Science?

Charleston Charter School for Math and Science has a Resource Investment Index of 57/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).

How does Charleston Charter School for Math and Science rank among schools in Charleston?

By Resource Investment Index, Charleston Charter School for Math and Science ranks #3 of 21 schools in Charleston, SC. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Charleston on the city page.

Is Charleston Charter School for Math and Science a good school?

Charleston Charter School for Math and Science earns 57/100 on the Resource Investment Index, with class sizes smaller than 83% of 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.

What other schools are in Charleston 01?

Besides Charleston Charter School for Math and Science, 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.

Source: National Center for Education Statistics (NCES) CCD + Public School Universe (2024-25), CRDC (2021-22), F-33 District Finance Survey (FY 2021-22) · 2024-25 Data as of the 2024-25 school year. Coverage from U.S. Department of Education NCES Common Core of Data. Varies by entity type; administrative districts and certain charter networks may report only a subset of fields.

All federal data sources used on this page

Full source list and how we compute each figure: methodology page.

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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.