Allegro Charter School of Music, 4542 Simms St.: sixth grade through 12th grade, 250 students in 2024-25, rated Excellent on the state report card.
Last checked Oct. 12, 2026. Sources: the school’s website and join us page; Charleston County School District’s charter schools page and 2026-27 academic calendar; the S.C. Department of Education’s 2024-25 report card data files; the federal NCES school directory.
Allegro Charter School of Music is a public charter school in Charleston County School District for sixth through 12th grade, now on Simms Street. Its mission, as its website puts it, is “to produce inspired thinkers and creative members of society through the infusion of music into an academically challenging environment.” On South Carolina’s 2024-25 report card it was rated Excellent for its high school grades, with 74 points, and Average for its middle grades, with 45 points.
Who to call
- Front office: 843-297-8033, 4542 Simms St.
- School website: allegrocharterschool.org
- Enrolling: by lottery for Charleston County residents in grades 6 to 12; the school’s join us page has the paper application
| Address | 4542 Simms St., North Charleston, SC 29405 |
| Phone | 843-297-8033 |
| Grades | 6 to 12 |
| District | Charleston County School District |
| State school ID | 1001630 |
Enrollment and teachers
- State count: 250 students in the 2024-25 school year, according to the state’s report card data.
- Federal count: 216 students in the 2023-24 school year, with 30 full-time-equivalent teachers, according to the NCES directory. That is about seven students per teacher.
The 2023-24 federal record lists the school at 2731 Gordon St., and the state’s 2024-25 report card lists 4542 Bixby Lane; the school’s website now gives 4542 Simms St.
State report card
South Carolina rates every public school each year as Excellent, Good, Average, Below Average or Unsatisfactory. An Excellent rating means “school performance substantially exceeds the criteria to ensure all students meet the Profile of the SC Graduate,” according to the state’s report card site. The overall rating is built from indicators such as academic achievement, preparing for success, student progress, English learners’ progress and school climate, with graduation rate and college and career readiness added for high schools.
2024-25 rating for high school grades: Excellent, 74 points. On the state’s high school scale, Excellent 67 to 100, Good 60 to 66, Average 51 to 59, Below Average 40 to 50 and Unsatisfactory 39 and below.
| Indicator | 2024-25 rating |
|---|---|
| Academic achievement | Good |
| Preparing for success | Below Average |
| Graduation rate | Excellent |
| College and career readiness | Good |
| School climate | Average |
- Four-year graduation rate: 100% in 2025, after 90.9% in 2024 and 95% in 2023 (district: 90.6% in 2025)
- College or career ready: 72.7% of the 2025 graduating class (district: 84.8%)
- End-of-course tests, share scoring A, B or C: English 68%, Biology 35% and U.S. History 40.9%
- AP and dual enrollment: 9.1% of the 2025 graduating class met the state’s college-ready mark through AP exams and 31.8% through dual-enrollment courses
2024-25 rating for middle grades: Average, 45 points. On the state’s middle school scale, Excellent 56 to 100, Good 48 to 55, Average 36 to 47, Below Average 29 to 35 and Unsatisfactory 28 and below.
| Indicator | 2024-25 rating |
|---|---|
| Academic achievement | Average |
| Preparing for success | Below Average |
| Student progress | Good |
| School climate | Average |
On the spring 2025 SC READY tests in grades 6 to 8, 50.4% of students met or exceeded expectations in English language arts and 19.2% in math; on the state science test, 31.8% did, according to the state’s report card data. Across the district, in grades 3 to 8, the figures were 67.6% in English, 56.2% in math and 57.2% in science.
The full report card, with test results by group, teacher data, school safety and spending, is on the state’s SC School Report Cards site. The state publishes new ratings each fall.
Admission
Allegro has no attendance zone. “Allegro Charter School of Music welcomes students in grades 6 to 12 who reside in Charleston County. There are no entrance exams required; applications are processed through a lottery,” the school’s join us page says. If applications exceed openings in a grade, applicants go on a waitlist. For 2026-27, the district’s School Choice window ran Jan. 7 to Feb. 12, 2026; the school says it is still taking paper applications, which join the waitlist in the order received, after School Choice applicants.
Calendar and school hours
As a charter school, Allegro keeps its own calendar, linked from the school’s website as a Google calendar. The school does not publish bell times on its website.
More
- The district’s charter schools page
- Every public school in North Charleston, with zones and report cards
- Our North Charleston schools guide for the district calendars, enrollment and the school board
Frequently asked questions
What grades does Allegro serve?
Allegro serves sixth grade through 12th grade, according to the state’s 2024-25 report card.
What is Allegro’s school rating?
Allegro was rated Excellent, with 74 points for high school grades and Average, with 45 points for middle grades, on South Carolina’s 2024-25 school report card, the latest the state has published.
How do you get into Allegro Charter School of Music?
Allegro takes Charleston County students in grades 6 to 12 by lottery, with no entrance exam. Families can apply through the district’s School Choice window or, while seats remain, on a paper application from the school.
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