allk12 · Rankings · Highest ratio · South Carolina · Charleston County · High schools

The public high schools with the highest student-to-teacher ratios in Charleston County, South Carolina

18 public high schools in Charleston County, South Carolina appear in this ranking of the public high schools with the highest student-to-teacher ratios, ranked by the most students per teacher, a proxy for larger classes. Lowcountry Acceleration Academy leads the list at 42.7:1, against a median of 15.4:1 across the ranked schools.

The table below is sortable and filterable, and the full list downloads as a CSV. Figures come from federal NCES enrollment data and, where applicable, state assessment results for 2024-25.

Schools ranked

Charleston County, South Carolina

Top Students/teacher

42.7:1

Median Students/teacher

15.4:1

HIGHEST RATIO · CHARLESTON COUNTY, SOUTH CAROLINA

#	School	City	District	Level	Students	Ratio
1	Lowcountry Acceleration Academy	N Charleston, SC	SC Public Charter School District	High	619	42.7:1
2	Oceanside Collegiate Academy	Mount Pleasant, SC	Charter Institute at Erskine	High	653	28.0:1
3	Oceanside Collegiate Academy	Mt. Pleasant, SC	Limestone Charters Association	High	623	24.0:1
4	Wando High	Mount Pleasant, SC	Charleston 01	High	2,588	17.9:1
5	Lucy Garrett Beckham High	Mt. Pleasant, SC	Charleston 01	High	1,757	17.4:1
6	Academic Magnet High	North Charleston, SC	Charleston 01	High	740	16.6:1
7	West Ashley High	Charleston, SC	Charleston 01	High	2,069	16.5:1
8	Charleston School of the Arts	North Charleston, SC	Charleston 01	High	1,102	16.0:1
9	R. B. Stall High	North Charleston, SC	Charleston 01	High	2,135	15.5:1
10	James Island Charter High	Charleston, SC	Charleston 01	High	1,612	15.3:1
11	Palmetto Scholars Academy	North Charleston, SC	SC Public Charter School District	High	507	14.5:1
12	Charleston Charter School for Math and Science	Charleston, SC	Charleston 01	High	573	11.9:1
13	St. Johns High	Johns Island, SC	Charleston 01	High	390	11.5:1
14	Allegro Charter School of Music	North Charleston, SC	Charleston 01	High	250	9.3:1
15	North Charleston High	North Charleston, SC	Charleston 01	High	829	9.2:1
16	Baptist Hill High	Hollywood, SC	Charleston 01	High	507	9.0:1
17	Military Magnet Academy	North Charleston, SC	Charleston 01	High	393	8.7:1
18	Burke High	Charleston, SC	Charleston 01	High	342	5.6:1

Page 1 of 1 · top 18 of 18 ranked. NCES + state assessment data, 2024-25.↓ Download full CSV

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DATA NOTICE

allk12 is independent and not affiliated with, endorsed by, or sponsored by NCES, the US Census Bureau, any state education agency or assessment program, or any other government agency. Source data is compiled from public records and provided "as is," without warranty of accuracy or completeness. You rely on it, and any analysis derived from it, at your own risk. See the full disclaimer.