Allegro Charter School of Music, North Charleston SC

Original Research by School Decision on Allegro Charter School of Music

Allegro Charter School of Music is a small public charter school in North Charleston serving grades six through twelve. Its mission is embedded in its name: music is a central part of the school’s identity, not just an extracurricular. The school draws students from across the Charleston County School District, and as a charter it operates with a focused program that families choose into. The enrollment is modest, and the majority of students are Black, with smaller shares of White students and Hispanic students. A large share of students qualify for free or reduced-price lunch, placing the school in a high-poverty context.

Academically, the picture is mixed and asks for follow-up. On state assessments, English language arts proficiency rates are moderate across the tested middle-school grades, with the eighth-grade cohort performing strongest. Mathematics proficiency rates are much lower, particularly in eighth grade, where the share of students meeting the state’s standard is very small. Science results for sixth grade are also modest. Social studies data is available from a single prior year, but that test’s scoring criteria have since changed, making it unreliable for comparison. The school’s overall academic trend data covers only the most recent year, so there is no multi-year trend to assess. It is also worth noting that South Carolina changed its cut scores for ELA and science in recent years, so comparisons with older results should be made cautiously. A parent considering Allegro will want to ask the school directly about its mathematics instruction and support, and about how it measures academic growth over time.

Because this is a middle and high school, families will want to see high school outcomes. Graduation rate data for the school was not available in the source materials, nor were data on college enrollment, dual credit participation, or Advanced Placement offerings. Those are important questions to raise with the school administration. The absence of this information does not imply a weak outcome, but it means a family should investigate directly.

The school’s setting in North Charleston matters to the experience. North Charleston is a large, car-dependent city that grew around the Charleston Naval Base and later reinvented itself around aerospace manufacturing, with Boeing’s major assembly facility and Joint Base Charleston as dominant employers. The built environment is industrial and suburban in character, with commercial strips and separated neighborhoods rather than a compact downtown. Housing costs in the area are below the state average but have risen, reflecting broader regional pressure. The school itself is located on Gordon Street, in a part of the city that is primarily residential and light industrial.

The student body is small enough that most families will know each other, and the charter’s music focus means there is a shared interest among enrolled families. The school does not have a record of recent district-level changes reported in the available materials, so the stability of its charter and its relationship with the county district are not detailed here. For a family drawn to a school where music is woven into the school day, Allegro offers a distinctive choice in a region with many conventional large schools. The academic numbers in core subjects, especially math, suggest that the school may be better suited for families who prioritize the arts environment and are prepared to supplement academic support, or who want to work closely with the school on those subjects. A visit and a conversation with the principal about curriculum, tutoring, and postsecondary preparation would be essential next steps.

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Academic performance

State test results and graduation outcomes.

Graduation rate (ACGR)

>=80%Cohort of 23 students · Class of 2021

The federal source publishes a banded range instead of an exact rate when the graduating cohort is small enough that an exact number could risk identifying individual students.

How this school compares to all schools in this state

Each dot is one school’s SY 2020-21 graduation rate, binned by integer rate. Taller columns mean more schools at that rate. This school is highlighted.

241 schools plotted. 4 additional schools' rates are federally suppressed and not shown. Data: EDFacts SY 2020-21.

Math

Grade 629%

School 29% · District 49% · ▼ 20 pts below district

▼ 5 pts below state median · ▼ 4 pts below county median

Grade 722%

School 22% · District 49% · ▼ 27 pts below district

▼ 6 pts below state median · ▼ 5 pts below county median

Grade 87%

School 7% · District 45% · ▼ 37 pts below district

▼ 19 pts below state median · ▼ 25 pts below county median

English language arts

Grade 644%

School 44% · District 63% · ▼ 19 pts below district

▼ 9 pts below state median · ▼ 15 pts below county median

Grade 743%

School 43% · District 65% · ▼ 23 pts below district

▼ 13 pts below state median · ▼ 14 pts below county median

Grade 858%

School 58% · District 64% · ▼ 5 pts below district

▲ 5 pts above state median · ▼ 7 pts below county median

Science

Grade 631%

School 31% · District 55% · ▼ 24 pts below district

▼ 12 pts below state median · ▼ 16 pts below county median

Social studies

Grade 771%

School 71% · District 68% · ▲ 4 pts above district

▲ 7 pts above state median · even with county median

This schoolCharleston 01, same grade

Graduation rate (ACGR) reflects the federally published Adjusted Cohort Graduation Rate for the most recent year available. We refresh this data annually at the close of each academic year in June. The federal source publishes a banded rate (for example, "90-94%") instead of an exact number for cohorts small enough to risk identifying individual students. The state distribution chart, where shown, plots every school in the state with a published rate or band; schools whose rate is federally suppressed are excluded. Where the federal source publishes a band rather than an exact rate, the school is placed within its band using a stable, ID-derived offset, so its position is consistent across visits.