For the 2025 school year, there are 12 private high schools serving 4,558 students in Charleston County, SC.
The top ranked private high schools in Charleston County, SC include Ashley Hall, Charleston Collegiate School, and Porter-Gaud School.
The average tuition cost is $21,552, which is higher than the South Carolina private high school average tuition cost of $10,068.
Top Ranked Charleston County Private High Schools (2025)
School
Location
Grades
Students
172 Rutledge Avenue
Charleston, SC 29403
(843) 722-4088
Charleston, SC 29403
(843) 722-4088
Grades: PK-12
| 728 students
3790 Ashley Phosphate Road
North Charleston, SC 29418
(843) 760-1192
North Charleston, SC 29418
(843) 760-1192
Grades: PK-12
| 385 students
2024 Academy Rd
Johns Island, SC 29455
(843) 559-5506
Johns Island, SC 29455
(843) 559-5506
Grades: PK-12
| 342 students
48 Meeting St
Charleston, SC 29401
(843) 722-6646
Charleston, SC 29401
(843) 722-6646
Grades: PK-12
| 497 students
15 Crosscreek Drive
Charleston, SC 29412
(843) 795-1762
Charleston, SC 29412
(843) 795-1762
Grades: PK-10
| 282 students
Northside Christian School
(Baptist)
7800 Northside Dr
North Charleston, SC 29420
(843) 797-2690
North Charleston, SC 29420
(843) 797-2690
Grades: NS-12
| 342 students
361 Egypt Road
Mount Pleasant, SC 29464
(843) 881-9967
Mount Pleasant, SC 29464
(843) 881-9967
Grades: PK-12
| 732 students
Porter-Gaud School![Porter-Gaud School Photo - From the earliest grades to the Upper School, Porter-Gaud students learn from faculty members whose love of their subject areas is infectious.]( "Porter-Gaud School Photo - From the earliest grades to the Upper School, Porter-Gaud students learn from faculty members whose love of their subject areas is infectious.")
(Episcopal)
300 Albemarle Rd
Charleston, SC 29407
(843) 556-3620
Charleston, SC 29407
(843) 556-3620
Grades: 1-12
| 1,059 students
690 Coleman Blvd.
Mount Pleasant, SC 29464
(843) 884-0902
Mount Pleasant, SC 29464
(843) 884-0902
Grades: 3-12
| 78 students
Harvest Time International Academy
(Christian)
227 Huger St
Charleston, SC 29403
(843) 647-5911
Charleston, SC 29403
(843) 647-5911
Grades: 6-12
| 7 students
Riverpointe Christian Academy
Alternative School (Christian)
8310 Dorchester Road
North Charleston, SC 29418
(843) 552-0624
North Charleston, SC 29418
(843) 552-0624
Grades: K-10
| 34 students
Trident Academy![Trident Academy Photo - Trident's teachers attend to each student's individual learning needs at their pace and their level in order to build a strong foundation for life.]( "Trident Academy Photo - Trident's teachers attend to each student's individual learning needs at their pace and their level in order to build a strong foundation for life.")
Special Education School
1455 Wakendaw Rd
Mount Pleasant, SC 29464
(843) 884-7046
Mount Pleasant, SC 29464
(843) 884-7046
Grades: K-12
| 72 students
Charleston County Private Schools (Closed)
School
Location
Grades
Students
1011 Old Cemetery Road
Mc Clellanville, SC 29458
(843) 887-3323
Mc Clellanville, SC 29458
(843) 887-3323
Grades: NS-12
| 34 students
1941 Bees Ferry Rd
Charleston, SC 29414
(843) 225-2892
Charleston, SC 29414
(843) 225-2892
Grades: NS-11
| 32 students
Ferndale Baptist School (Closed 2006)
(Christian)
4870 Piedmont Avenue
Charleston, SC 29406
(843) 554-0535
Charleston, SC 29406
(843) 554-0535
Grades: 5-8
| n/a students
Mount Pleasant KinderCare (Closed 2025)
Daycare / Preschool
250 Ponsbury Rd
Mount Pleasant, SC 29464
(843) 388-5264
Mount Pleasant, SC 29464
(843) 388-5264
Grades: NS-PK
| n/a students
Palmetto Academy (Closed 2010)
Special Education School (Christian)
913 Wappoo Rd
Charleston, SC 29407
Charleston, SC 29407
Grades: 9-12
| 14 students
Frequently Asked Questions
What are the top ranked private high schools in Charleston County, SC?
The top ranked private high schools in Charleston County, SC include Ashley Hall, Charleston Collegiate School, and Porter-Gaud School.
How many private high schools are located in Charleston County?
12 private high schools are located in Charleston County.
How much do private high schools cost in Charleston County?
The average tuition cost is $21,552, which is higher than the South Carolina private school average tuition cost of $10,068.
How diverse are private high schools in Charleston County?
Charleston County private high schools are approximately 12% minority students, which is lower than the South Carolina private school average of 13%.
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