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SCHOOL COMMUNITY·CHARLESTON 01·NCES 450144001655

Allegro Charter School of Music

4542 Simms Avenue, North Charleston, SC 29405 · (843) 321-7104 · Charleston County
GRADES 06–12HIGH12-CITYCHARTERREGULAR SCHOOL250 STUDENTS
Enrollment
250
High
DISTRICT 1,024 · STATE 953
Student : Teacher
9.3:1
27 FTE teachers
DISTRICT 13.0:1 · STATE 15.5:1
Free / Reduced Lunch
,
Title I proxy
DISTRICT 100% · STATE 77%
Community
0
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Grade 6
50
Grade 7
43
Grade 8
45
Grade 9
46
Grade 10
26
Grade 11
17
Grade 12
23
Student demographics
White
3815%
DISTRICT 48% · STATE 46%
Hispanic
4016%
DISTRICT 17% · STATE 14%
Black
15863%
DISTRICT 28% · STATE 31%
Asian
10%
DISTRICT 2% · STATE 2%
Two+
135%
DISTRICT 5% · STATE 6%
Student head counts by race/ethnicity from federal NCES enrollment data. Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
9940%
Female
15160%

Discussions

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Test scores

SC READY 2024-25 . % Meets or Exceeds Expectations
English Language Arts
48.1%
SC avg 59.7% . +2.6pp since 2023
Math
19.6%
SC avg 44.2% . -3.6pp since 2023
Source: SC READY. All students, all grades. See all years and grades →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
250
+67 (+37%) vs 2017
Student : Teacher
9.3:1
was 11.1:1
% White
15%
was 52%
% Hispanic
16%
was 4%
% Black
63%
was 40%
% Asian
0%
was 0%
Source: NCES Common Core of Data

About Allegro Charter School of Music

Allegro Charter School of Music, a very small secondary school in North Charleston, South Carolina, overseen by Charleston 01, enrolls 250 students, covering grades 6 through 12. Compared to the state average of about 953 students per school, that is 74% smaller than typical.

Charleston 01 comprises 81 schools with combined enrollment of 52,009 students; Allegro Charter School of Music is among them.

Demographically, Allegro Charter School of Music lists that the largest single group is Black, at 63% of enrollment; the rest consists of 16% Hispanic, 15% White, 5% multiracial. That is visibly more Black than the county at large, where the share is closer to 23%.

In terms of school funding signals, On paper, Allegro Charter School of Music has 27 full-time-equivalent teachers, translating to a class-load average of around 9.3:1. The state averages around 15.5:1, so this campus is tighter than the state norm typical.

Across the wider county, census data for Charleston County shows the typical household earns roughly $88,494 per year, about 50% of the adult population holds a bachelor's degree or above, and roughly 7% of residents live below the federal poverty line. Allegro Charter School of Music is one of 98 public schools in Charleston County (combined enrollment of about 55,933 students).

The closest other public school is Morningside Middle, roughly 0.6 miles away. Counting just inside five miles, 8 other public schools cluster around Allegro Charter School of Music.

The campus sits in an inner-city setting. As a public charter, Allegro Charter School of Music runs on public funding but with greater curricular and operational autonomy than a typical district school.

Trend over the last 7 years. Allegro Charter School of Music's enrollment has increased 37% since 2018, when it stood at 183 (now 250). The White share of enrollment declined from 52% to 15% over that span. Class-load math has pulled in: from 11.1:1 in 2018 to 9.3:1 in 2025.

In the discussion threads here, recent activity here tends to focus on school events, parent volunteer needs, and clubs. Parents, students, alumni, and staff are welcome to weigh in.

Charleston County at a glance

View full county profile
Population
420,264
Census ACS
Median income
$88,494
Household, ACS
Bachelor's+
50%
Adults 25+
Poverty rate
7%
Below federal line
Schools in county
98
55,933 students

Quick facts

School name
Allegro Charter School of Music
District
Charleston 01
Address
4542 Simms Avenue, North Charleston, SC 29405
Phone
(843) 321-7104
County
Charleston County
Level
High
Grade range
06–12
Total enrollment
250
Teachers (FTE)
27
Student–teacher ratio
9.3:1
Locale
12-City: Mid-size
NCES ID
450144001655
Charter school
Yes
Virtual school
No

Related schools

Other schools in Charleston 01
Other schools in North Charleston
Nearby schools

Frequently asked questions

About Allegro Charter School of Music
What is the total enrollment at Allegro Charter School of Music?
Allegro Charter School of Music enrolls approximately 250 students in grades 06-12.
What age range does Allegro Charter School of Music serve?
Allegro Charter School of Music serves students from grade 06 through grade 12.
How many students per teacher at Allegro Charter School of Music?
Approximately 9.3:1 students per teacher at Allegro Charter School of Music.
How diverse is Allegro Charter School of Music?
Allegro Charter School of Music reports a student body of 15% White, 16% Hispanic, 63% Black, 0% Asian, 5% Two or more.
Who oversees Allegro Charter School of Music?
Allegro Charter School of Music is overseen by Charleston 01 in Charleston County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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