#1 Most Diverse Private Schools in Charleston, SC
Cathedral Academy
Christian school (nondenominational) · Grades Pre-K–12
Largest group: 68% of students
Charleston, SC
B-Overall grade348 students13 students per teacher
2026 lists
Most Diverse Private Schools in Charleston, SC
Private schools in Charleston, SC with the most varied mix of students. Top 16 of 16 schools.
#2 Most Diverse Private Schools in Charleston, SC
Blessed Sacrament Catholic School
Diocesan school · Grades Pre-K–8
Largest group: 73% of students
Charleston, SC
A-Overall grade231 students10 students per teacher
#3 Most Diverse Private Schools in Charleston, SC
Nativity School
Parish school · Grades Pre-K–8
Largest group: 75% of students
Charleston, SC
A+Overall grade91 students7 students per teacher
#4 Most Diverse Private Schools in Charleston, SC
Porter-Gaud School
Episcopal school · Grades 1–12
Largest group: 79% of students
Charleston, SC
A+Overall grade1,071 students9 students per teacher
#5 Most Diverse Private Schools in Charleston, SC
Bishop England High School
Diocesan school · Grades 9–12
Largest group: 80% of students
Charleston, SC
B+Overall grade718 students12 students per teacher
#6 Most Diverse Private Schools in Charleston, SC
The Cooper School
Alternative school · Grades K–8
Largest group: 81% of students
Charleston, SC
B+Overall grade153 students8 students per teacher
#7 Most Diverse Private Schools in Charleston, SC
Addlestone Hebrew Academy
Jewish day school · Grades K–8
Largest group: 82% of students
Charleston, SC
AOverall grade61 students4 students per teacher
#8 Most Diverse Private Schools in Charleston, SC
The Charleston Catholic School
Parish school · Grades Pre-K–8
Largest group: 83% of students
Charleston, SC
A+Overall grade163 students8 students per teacher
#9 Most Diverse Private Schools in Charleston, SC
Ashley Hall School
Independent school · Grades Pre-K–12
Largest group: 85% of students
Charleston, SC
A+Overall grade543 students6 students per teacher
#10 Most Diverse Private Schools in Charleston, SC
First Baptist School of Charleston
Baptist school · Grades Pre-K–12
Largest group: 90% of students
Charleston, SC
B-Overall grade501 students12 students per teacher
#11 Most Diverse Private Schools in Charleston, SC
Addlestone Hebrew Academy
Jewish day school · Grades Pre-K–8
Largest group: 92% of students
Charleston, SC
A-Overall grade60 students6 students per teacher
#12 Most Diverse Private Schools in Charleston, SC
Charleston Day School
Independent school · Grades K–8
Largest group: 94% of students
Charleston, SC
B+Overall grade246 students7 students per teacher
#13 Most Diverse Private Schools in Charleston, SC
Meeting Street Academy
Independent school · Grades Pre-K–5
Largest group: 94% of students
Charleston, SC
BOverall grade209 students8 students per teacher
#14 Most Diverse Private Schools in Charleston, SC
James Island Christian School
Christian school (nondenominational) · Grades Pre-K–8
Largest group: 95% of students
Charleston, SC
B-Overall grade218 students11 students per teacher
#15 Most Diverse Private Schools in Charleston, SC
Mason Preparatory School
Christian school (nondenominational) · Grades K–8
Largest group: 96% of students
Charleston, SC
BOverall grade300 students9 students per teacher
#16 Most Diverse Private Schools in Charleston, SC
James Island Christian School
Christian school (nondenominational) · Grades Pre-K–8
Largest group: 97% of students
Charleston, SC
B-Overall grade221 students8 students per teacher
From official public records, updated October 2026.