Enrollment
424
South Carolina · 2024-25 NCES data
2024-25 NCES data High school (grades 9-12) NCES 450390101706 Charter school
Charleston Advancement Academy High School — Charleston, SC
Federal NCES profile for Charleston Advancement Academy High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators — Resource Investment Index 11/100.
👥 Class size 0
📚 AP courses 10
🌟 Gifted program 30
🎓 Counselors 15
📋 Attendance 0
How this works: Each indicator above is scored 0–100 from federal NCES and CRDC data, then averaged into the Resource Investment Index. This measures resource allocation — staffing, programs, and support services — not standardized test scores or academic outcomes. Full methodology →
School address
District: Sc Public Charter School District · South Carolina
Public location data per NCES (National Center for Education Statistics) Common Core of Data. Verify the school's current address on the NCES CCD record.
Teachers (FTE)
11.0
Federal CCD staff survey
Students per teacher
38.5:1
vs 14.3:1 South Carolina avg
+169% vs state
Free-lunch eligible
45.5%
vs 74.0% South Carolina avg
-39% vs state
Student-teacher ratio in context
How Charleston Advancement Academy High School compares with South Carolina and U.S. medians
The federal record — no proprietary index, no editorial formula.
PlainSchools publishes the actual federal measurements — enrollment, staffing, demographics, discipline, and finance — straight from the NCES Common Core of Data, CRDC, and F-33 surveys. No composite rating, no opinion-based score on top. You get the same raw numbers researchers and policymakers use, with benchmarks, spending context, and equity indicators computed from the same federal datasets. Full methodology linked below.
What this school's NCES data tells you
Charleston Advancement Academy High School reports 424 enrolled students to the National Center for Education Statistics (NCES) alongside 11.0 full-time-equivalent teachers, producing a 38.5:1 student-teacher ratio. That figure sits 169% above the South Carolina state mean of 14.3:1, signalling larger average class loads than peers in the same state. Against the national 2024-25 average of 15.9:1, it is 142% higher, a useful calibration for families comparing districts across state lines.
Title I and federal lunch eligibility offer another window into the student body: 45.5% of pupils qualify for free meals, a proxy for household income that federal programs use to direct funding. The free-lunch share is 39% below the South Carolina average and 12% below the national baseline. Counselor coverage works out to roughly 424 students per counselor, above the ASCA-recommended ceiling of 250:1. Chronic absenteeism — missing 10% or more of school days — stands at 100.0% according to the 2021-22 Civil Rights Data Collection.
On the finance side, the surrounding Sc Public Charter School District spends $25,770 per pupil district-wide, above the South Carolina average of $17,182 and above the national average of $19,490. Revenue comes 5.8% from local sources (property taxes), 80.6% from the state, and 13.6% from federal programs per the NCES F-33 finance survey. Taken together, these measurements produce a Resource Investment Index of 11/100 (F), calculated from 5 distinct NCES and CRDC indicators measuring resource allocation rather than academic outcomes.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Charleston Advancement Academy High School compares
Cross-validating school-level NCES values against South Carolina state and U.S. national means lets readers see whether this school is an outlier or in line with peers.
| Metric | This school | vs South Carolina | South Carolina avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 38.5:1 | ▲ 169% | 14.3:1 | 15.9:1 |
| Free-lunch eligible | 45.5% | ▼ 39% | 74.0% | 51.8% |
| Enrollment | 424 | top 33% | — | — |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
What the federal data reveals about equity at this school
Federal measurements — not ratings — surface the resource and opportunity picture. Below are the indicators that researchers, civil-rights monitors, and funding formulas use to assess equity.
Economic need
45.5%
free-lunch eligible
— 39% 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
38.5:1
students per teacher
— 169% above state mean
Top 100% in South Carolina — lower ratio than 0% of state schools
Above 20:1 — larger class loads than the typical U.S. public school; staffing is stretched relative to enrollment.
Engagement
100.0%
chronically absent (missed 10%+ of school days)
Chronic absenteeism at or above 20% — the CDC threshold for "high" — signals significant barriers to regular attendance.
Funding equity
$25,770
per pupil, district-wide
— above South Carolina avg of $17,182
Above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors1.0 FTE
Per 424 students — the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 7 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 1.7 per 100 students. Reported via the Civil Rights Data Collection. Includes 1 expulsion.
Overview
Enrollment 424 Top 33% in South Carolina — larger than 67% of 1,215 state schools
Teachers (FTE) 11.0
Students per teacher 38.5:1 +169% vs state
Free-lunch eligible 45.5% -39% vs state
NCES ID 450390101706
Programs & staff
AP program Not offered
Counselors (FTE) 1.0
Students per counselor 424:1
Discipline & special education
Chronically absent 100.0%
In-school suspensions 0
Out-of-school suspensions 7
Expulsions 1
Funding & spending
District-wide per-pupil expenditure for Sc Public Charter School District, which includes Charleston Advancement Academy High School.
$25,770
Per student
+50%
vs South Carolina
Avg $17,182
+32%
vs U.S.
Avg $19,490
Revenue mix
Local 5.8%
State 80.6%
Federal 13.6%
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.
Other Schools in This District
- Enrollment
- 1,672
- Students per teacher
- 14.8:1
- Enrollment
- 1,592
- Students per teacher
- 12.3:1
- Enrollment
- 1,472
- Students per teacher
- 14.6:1
- Enrollment
- 1,208
- Students per teacher
- 13.3:1
- Enrollment
- 998
- Students per teacher
- 14.6:1
Similar high schools in Charleston
4 comparable high schools (grades 9-12) serving the same city.
West Ashley High
Standard public school
2,069 students 17.4:1 students per teacher
James Island Charter High
Standard public school
1,612 students 15:1 students per teacher
Philip Simmons High
Standard public school
797 students 14.5:1 students per teacher
Burke High
Standard public school
342 students 6:1 students per teacher
Educator & family resources
In-depth guides on understanding NCES data, school choice, and education funding.
Understanding NCES data
How CCD, CRDC and EDFacts feed every public-school number you see.
Choose a school district
Eight signals that matter more than the overall ranking number.
How schools are funded
Title I, F-33, state aid formulas and what per-pupil spending really means.
Chronic absenteeism
Why missing 10% of school matters and how it varies by district.
Magnet vs charter vs traditional
Three school types, three funding models, three sets of trade-offs.
School discipline data
What CRDC suspension and expulsion records do and don't reveal.
Frequently asked questions about Charleston Advancement Academy High School
How many students attend Charleston Advancement Academy High School?
Charleston Advancement Academy High School has 424 students enrolled. It is a high school in Charleston, SC.
What is the student-teacher ratio at Charleston Advancement Academy High School?
The student-teacher ratio at Charleston Advancement Academy High School is 38.5:1, which is 169% higher than the South Carolina average of 14.3:1 and 142% higher than the national average of 15.9:1.
What percentage of students receive free lunch at Charleston Advancement Academy High School?
45.5% of students at Charleston Advancement Academy High School are eligible for free lunch, compared to the South Carolina average of 74.0%.
What is the Resource Investment Index for Charleston Advancement Academy High School?
Charleston Advancement Academy High School has a Resource Investment Index of 11/100 (F) based on 5 factors: student-teacher ratio, counselor availability, attendance rates. This index measures federal resource allocation — staffing levels, program availability, and support services — not standardized test scores or academic outcomes.