Other / mixed grade configuration · North Charleston, SC

Allegro Charter School of Music

Federal NCES profile for Allegro Charter School of Music, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 53/100.

2024-25 NCES dataOther / mixed grade configurationNCES 450144001655Charter school
0/100100/10053/100
👥 S:T ratio
67
🌟 Gifted program
70
🎓 Counselors
75
📋 Attendance
0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

Allegro Charter School of Music earns 53/100 on the Resource Investment Index, with class sizes smaller than 97% of South Carolina schools.

#4 of 18
schools in North Charleston · Resource Index
53
Resource Index · Higher
8.3:1
small classes for South Carolina
84.3%
free-lunch eligible

Allegro Charter School of Music has class sizes smaller than 97% of South Carolina schools. Computed live against every South Carolina school reporting to NCES.

By Resource Investment Index, Allegro Charter School of Music ranks #4 of 18 schools in North Charleston, SC.

Enrollment

250

South Carolina · 2024-25 NCES data

Teachers (FTE)

30.0

Federal CCD staff survey

Students per teacher

8.3:1

vs 14.3:1 South Carolina avg

-42% vs state

Free-lunch eligible

84.3%

vs 74.0% South Carolina avg

+14% vs state

Student-teacher ratio in context

How Allegro Charter School of Music 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 Allegro Charter School of Music

Allegro Charter School of Music is a high-poverty, small charter combined-grade school in North Charleston, South Carolina, enrolling 250 students.

Classes run notably small here: at 8.3:1, Allegro Charter School of Music is leaner than roughly 97% of South Carolina schools and 42% under the state's 14.3:1 norm, more adult attention per pupil than most peers.

Its free-meal eligibility rate of 84.3% lands close to the South Carolina typical range, neither a high- nor low-need campus by this measure.

Enrollment of 250 puts it in the smaller third of South Carolina schools by headcount.

Its Resource Investment Index lands in the upper third of 1,214 scored South Carolina schools.

Against 19 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #8.

Its student body is led by African American (63%) and Hispanic or Latino (16%) (diversity index 55/100).

Counselor coverage is strong, about 125 students per counselor, inside the American School Counselor Association's recommended 250:1.

Chronic absenteeism is elevated: 40.0% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).

Discipline events run high: 71 in- and out-of-school suspensions were reported for 250 students in the 2021-22 Civil Rights Data Collection.

Among North Charleston's public schools, it stands alongside Meeting Street Elementary (1,133 students): Allegro Charter School of Music is smaller than that campus by headcount and runs heavier classes (8.3:1 vs 8.1:1).

Charleston 01 also operates Wando High (2,588 students) and Rb Stall High (2,135 students) alongside Allegro Charter School of Music.

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 Allegro Charter School of Music compares

Allegro Charter School of Music 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 8.3:1 ▼ 42% 14.3:1 15.7:1
Free-lunch eligible 84.3% ▲ 14% 74.0% 51.7%
Enrollment 250 top 88% - -

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

8.3:1
Leaner classes than 94% of US schools, among the more generously staffed nationally.
250
Bigger than 25% of US schools by enrollment, mid-sized for the country.

Equity indicators (what these measure)

Economic need
84.3%
free-lunch eligible - 14% 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
8.3:1
students per teacher - 42% below state mean
Top 3% in South Carolina - lower ratio than 97% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
40.0%
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
Counselors2.0 FTE
Per 125 students, the combined health-and-guidance staffing load for this school.
Discipline context
26
in-school suspensions + 45 out-of-school
Suspension rate: 10.4 per 100 students. Combined in-school and out-of-school rate: 28.4 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 63.2%
Hispanic or Latino 16.0%
White 15.2%
Two or More 5.2%
Asian 0.4%

Largest group: African American at 63.2% of enrollment.

Student-body diversity index 54.9/100

Simpson diversity index - at 54.9, Allegro Charter School of Music is more mixed than the South Carolina school average of 52.7.

Programs

AP courses offered 1
Gifted & talented Yes

Funding & spending

District-wide per-pupil expenditure for Charleston 01, which includes Allegro Charter School of Music.

$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 Allegro Charter School of Music 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 Allegro Charter School of Music'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 North 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 Allegro Charter School of Music'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 Allegro Charter School of Music

How many students attend Allegro Charter School of Music?

Allegro Charter School of Music has 250 students enrolled. It is a public school in North Charleston, SC.

What is the student-teacher ratio at Allegro Charter School of Music?

The student-teacher ratio at Allegro Charter School of Music is 8.3:1, which is 42% lower than the South Carolina average of 14.3:1 and 47% 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 Allegro Charter School of Music?

84.3% of students at Allegro Charter School of Music are eligible for free lunch, compared to the South Carolina average of 74.0%.

What is the racial and ethnic makeup of Allegro Charter School of Music?

The largest demographic group at Allegro Charter School of Music is African American at 63.2% of enrollment, in North Charleston, SC. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 54.9/100.

What is the Resource Investment Index for Allegro Charter School of Music?

Allegro Charter School of Music has a Resource Investment Index of 53/100 (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 Allegro Charter School of Music rank among schools in North Charleston?

By Resource Investment Index, Allegro Charter School of Music ranks #4 of 18 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 schools in North Charleston on the city page.

Is Allegro Charter School of Music a good school?

Allegro Charter School of Music earns 53/100 on the Resource Investment Index, with class sizes smaller than 97% 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 Allegro Charter School of Music, 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.