#1 Best Private Schools in Charleston, 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 Private Schools in Charleston, SC
Private schools in Charleston, SC with the highest overall grades. Top 16 of 16 schools.
#2 Best Private Schools in Charleston, SC
Porter-Gaud School
Episcopal school · Grades 1–12
The largest Christian school in Charleston
Charleston, SC
A+Overall grade1,071 students9 students per teacher
#3 Best Private Schools in Charleston, SC
Nativity School
Parish school · Grades Pre-K–8
The smallest classes of any Catholic school in Charleston
Charleston, SC
A+Overall grade91 students7 students per teacher
#4 Best Private Schools in Charleston, SC
The Charleston Catholic School
Parish school · Grades Pre-K–8
Smaller classes than 73% of Catholic schools in South Carolina
Charleston, SC
A+Overall grade163 students8 students per teacher
#5 Best Private Schools in Charleston, SC
Addlestone Hebrew Academy
Jewish day school · Grades K–8
Smaller classes than 91% of Jewish day schools nationwide
Charleston, SC
AOverall grade61 students4 students per teacher
#6 Best Private Schools in Charleston, SC
Blessed Sacrament Catholic School
Diocesan school · Grades Pre-K–8
Serving families in Charleston since at least 2011
Charleston, SC
A-Overall grade231 students10 students per teacher
#7 Best Private Schools in Charleston, SC
Addlestone Hebrew Academy
Jewish day school · Grades Pre-K–8
Small classes: about 6 students per teacher
Charleston, SC
A-Overall grade60 students6 students per teacher
#8 Best Private Schools in Charleston, SC
The Cooper School
Alternative school · Grades K–8
Growing: enrollment up 135% since 2011–12
Charleston, SC
B+Overall grade153 students8 students per teacher
#9 Best Private Schools in Charleston, 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
#10 Best Private Schools in Charleston, SC
Bishop England High School
Diocesan school · Grades 9–12
The largest of 30 Catholic schools in South Carolina
Charleston, SC
B+Overall grade718 students12 students per teacher
#11 Best Private Schools in Charleston, SC
Mason Preparatory School
Christian school (nondenominational) · Grades K–8
Serving families in Charleston since at least 2011
Charleston, SC
BOverall grade300 students9 students per teacher
#12 Best Private Schools in Charleston, 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
#13 Best Private Schools in Charleston, SC
First Baptist School of Charleston
Baptist school · Grades Pre-K–12
Serving families in Charleston since at least 2011
Charleston, SC
B-Overall grade501 students12 students per teacher
#14 Best Private Schools in Charleston, SC
James Island Christian School
Christian school (nondenominational) · Grades Pre-K–8
One of 8 Christian schools in Charleston
Charleston, SC
B-Overall grade221 students8 students per teacher
#15 Best Private Schools in Charleston, SC
Cathedral Academy
Christian school (nondenominational) · Grades Pre-K–12
85% of graduates go to four-year colleges
Charleston, SC
B-Overall grade348 students13 students per teacher
#16 Best Private Schools in Charleston, SC
James Island Christian School
Christian school (nondenominational) · Grades Pre-K–8
One of 8 Christian schools in Charleston
Charleston, SC
B-Overall grade218 students11 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.