#1 Best Independent Schools in Charleston County, SC
Ashley Hall School
Independent school · Grades Pre-K–12
The smallest classes of any independent school in Charleston
Charleston, SC
A+Overall grade543 students6 students per teacher
2026 lists
Best Independent Schools in Charleston County, SC
The highest-graded schools of this kind in Charleston County, SC. Top 5 of 5 schools.
#2 Best Independent Schools in Charleston County, SC
Charleston Collegiate School
Independent school · Grades Pre-K–12
95% of graduates go to four-year colleges
Johns Island, SC
A+Overall grade363 students8 students per teacher
#3 Best Independent Schools in Charleston County, SC
University School of the Lowcountry
Independent school · Grades 3–12
The only independent school in Mount Pleasant
Mount Pleasant, SC
AOverall grade84 students7 students per teacher
#4 Best Independent Schools in Charleston County, SC
Charleston Day School
Independent school · Grades K–8
Small classes: about 7 students per teacher
Charleston, SC
B+Overall grade246 students7 students per teacher
#5 Best Independent Schools in Charleston County, SC
Meeting Street Academy
Independent school · Grades Pre-K–5
Growing: enrollment up 25% since 2017–18
Charleston, SC
BOverall grade209 students8 students per teacher
Grades compare each school's official facts, such as class size, how long it has served families and where graduates go, with similar schools. They're a starting point: visit, ask questions and trust what you see.