High school (grades 9-12) · North Charleston, SC

Greg Mathis Charter High

Federal NCES profile for Greg Mathis Charter High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 36/100.

2024-25 NCES dataHigh school (grades 9-12)NCES 450144000857Charter school
0/100100/10036/100
👥 S:T ratio
53
📚 AP courses
10
🌟 Gifted program
30
🎓 Counselors
86
📋 Attendance
0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

Greg Mathis Charter High earns 36/100 on the Resource Investment Index, with class sizes smaller than 81% of South Carolina schools. It is also one of the smallest schools in South Carolina.

#4 of 5
high schools in North Charleston · Resource Index
36
Resource Index · Typical
11.8:1
small classes for South Carolina
100.0%
free-lunch eligible

Greg Mathis Charter High has class sizes smaller than 81% of South Carolina schools. Computed live against every South Carolina school reporting to NCES.

By Resource Investment Index, Greg Mathis Charter High ranks #4 of 5 high schools in North Charleston, SC.

Enrollment

71

South Carolina · 2024-25 NCES data

Teachers (FTE)

6.0

Federal CCD staff survey

Students per teacher

11.8:1

vs 14.3:1 South Carolina avg

-17% vs state

Free-lunch eligible

100.0%

vs 74.0% South Carolina avg

+35% vs state

Student-teacher ratio in context

How Greg Mathis Charter High 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 Greg Mathis Charter High

Greg Mathis Charter High is a high-poverty, small charter high school in North Charleston, South Carolina, enrolling 71 students.

Class sizes run a bit leaner than typical: 11.8:1 puts it in the smaller third of South Carolina schools by student-teacher ratio.

Its free-meal eligibility rate of 100.0% lands close to the South Carolina typical range, neither a high- nor low-need campus by this measure.

This is a small campus: fewer students than 98% of South Carolina schools, with 71 enrolled.

Its Resource Investment Index sits near the middle of the pack among 1,214 scored South Carolina schools.

Its student body is predominantly African American (99% of enrollment), among the less diverse in the state (diversity index 3/100).

No Advanced Placement courses are reported for this campus in the federal data.

Counselor coverage is strong, about 71 students per counselor, inside the American School Counselor Association's recommended 250:1.

Chronic absenteeism is elevated: 60.6% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).

Discipline events run high: 37 in- and out-of-school suspensions were reported for 71 students in the 2021-22 Civil Rights Data Collection.

The federal civil-rights collection also records 2 expulsions at this campus for 2021-22.

Among North Charleston's high schools, it stands alongside Fort Dorchester High (2,344 students): Greg Mathis Charter High is smaller than that campus by headcount and runs leaner classes (11.8:1 vs 18.2:1).

Charleston 01 also operates Wando High (2,588 students) and Rb Stall High (2,135 students) alongside Greg Mathis Charter High.

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 Greg Mathis Charter High compares

Greg Mathis Charter High 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 11.8:1 ▼ 17% 14.3:1 15.7:1
Free-lunch eligible 100.0% ▲ 35% 74.0% 51.7%
Enrollment 71 top 98% - -

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

11.8:1
Leaner classes than 77% of US schools, among the more generously staffed nationally.
71
Bigger than 7% of US schools by enrollment, a small campus.

Equity indicators (what these measure)

Economic need
100.0%
free-lunch eligible - 35% above 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
11.8:1
students per teacher - 17% below state mean
Top 19% in South Carolina - lower ratio than 81% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
60.6%
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
$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
Counselors1.0 FTE
Per 71 students, the combined health-and-guidance staffing load for this school.
Discipline context
5
in-school suspensions + 32 out-of-school
Suspension rate: 7.0 per 100 students. Combined in-school and out-of-school rate: 52.1 per 100 students. Reported via the Civil Rights Data Collection. Includes 2 expulsions.

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 98.6%
Two or More 1.4%

Largest group: African American at 98.6% of enrollment.

Student-body diversity index 2.8/100

Simpson diversity index - at 2.8, Greg Mathis Charter High is less mixed than the South Carolina school average of 52.7.

Programs

AP program Not offered

Funding & spending

District-wide per-pupil expenditure for Charleston 01, which includes Greg Mathis Charter High.

$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 Greg Mathis Charter High 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 Similar economic need Higher S:T ratio
West Ashley High Larger Similar 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 Greg Mathis Charter High'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 high schools in North Charleston

4 comparable high schools (grades 9-12) serving the same city.

Similar high 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 Greg Mathis Charter High'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 Greg Mathis Charter High

How many students attend Greg Mathis Charter High?

Greg Mathis Charter High has 71 students enrolled. It is a high school in North Charleston, SC.

What is the student-teacher ratio at Greg Mathis Charter High?

The student-teacher ratio at Greg Mathis Charter High is 11.8:1, which is 17% lower than the South Carolina average of 14.3:1 and 25% 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 Greg Mathis Charter High?

100.0% of students at Greg Mathis Charter High are eligible for free lunch, compared to the South Carolina average of 74.0%.

What is the racial and ethnic makeup of Greg Mathis Charter High?

The largest demographic group at Greg Mathis Charter High is African American at 98.6% of enrollment, in North Charleston, SC.

What is the Resource Investment Index for Greg Mathis Charter High?

Greg Mathis Charter High has a Resource Investment Index of 36/100 (typical reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).

How does Greg Mathis Charter High rank among high schools in North Charleston?

By Resource Investment Index, Greg Mathis Charter High ranks #4 of 5 high schools in North Charleston, SC. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in North Charleston on the city page.

Is Greg Mathis Charter High a good school?

Greg Mathis Charter High earns 36/100 on the Resource Investment Index, with class sizes smaller than 81% of South Carolina schools. It is also one of the smallest schools in South Carolina. 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 Greg Mathis Charter High, 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.

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.