Charleston Collegiate School Photo

Best South Carolina Private High Schools Belonging to National Association of Independent Schools (NAIS) (2025)

For the 2025 school year, there are 20 private high schools belonging to National Association of Independent Schools (NAIS) serving 8,649 students in South Carolina. You can also find more schools membership associations in South Carolina.
The top ranked private high schools belonging to National Association of Independent Schools (NAIS) in South Carolina include Spartanburg Day School, Hammond School, and Camden Military Academy.
The average tuition cost is $23,351, which is higher than the South Carolina private high school average tuition cost of $10,143.
30% of private high schools belonging to National Association of Independent Schools (NAIS) in South Carolina are religiously affiliated (most commonly Episcopal and Christian).

Top Ranked Private High Schools Belonging to National Association of Independent Schools (NAIS) in South Carolina (2025)

School
Location
Quick Facts
Christ Church Episcopal School
Christ Church Episcopal School Photo
(Episcopal)
(3)
245 Cavalier Drive
Greenville, SC 29607
(864) 299-1522
Gr: K-12 | 1,224 student Avg. class size: 18 students Sports: 15 | Extracurrculars: 11 Tuition listed
Hammond School
Hammond School Photo
(5)
854 Galway Lane
Columbia, SC 29209
(803) 776-0295
Gr: PK-12 | 1,015 student Avg. class size: 16 students Sports: 19 | Extracurrculars: 31 Tuition & acceptance rate listed
Ashley Hall
Ashley Hall Photo
All-girls
(8)
172 Rutledge Avenue
Charleston, SC 29403
(843) 722-4088
Gr: PK-12 | 728 students Avg. class size: 15 students Sports: 12 Tuition & acceptance rate listed
Cambridge Academy
(1)
103 Eastman St
Greenwood, SC 29649
(864) 229-2875
Gr: PK-12 | 369 students Avg. class size: 15 students Tuition listed
Camden Military Academy
Camden Military Academy Photo - Emphasis on Faith!
All-boys
(2)
520 Highway 1 N
Camden, SC 29020
(803) 432-6001
Gr: 7-12 | 267 students Avg. class size: 12 students Sports: 14 | Extracurrculars: 11 Tuition & acceptance rate listed
2024 Academy Rd
Johns Island, SC 29455
(843) 559-5506
Gr: PK-12 | 342 students Avg. class size: 14 students Sports: 12 Tuition & acceptance rate listed
Colonial Christian Academy
(Christian)
1110 Meeting St
West Columbia, SC 29169
(803) 796-7025
Gr: 2-12 | 7 students Avg. class size: 15 students Tuition & acceptance rate listed
First Baptist School
(Baptist)
(2)
48 Meeting St
Charleston, SC 29401
(843) 722-6646
Gr: PK-12 | 497 students Tuition listed
Heathwood Hall Episcopal School
(Episcopal)
3000 S Beltline Blvd
Columbia, SC 29201
(803) 765-2309
Gr: NS-12 | 932 students Avg. class size: 16 students Sports: 18 | Extracurrculars: 20 Tuition & acceptance rate listed
Heritage Academy
Heritage Academy Photo - Welcome to Hilton Head Island!
(2)
11 New Orleans Rd
Hilton Head Island, SC 29928
(843) 842-8600
Gr: 6-12 | 115 students Avg. class size: 9 students Extracurrculars: 3 Tuition & acceptance rate listed
8 Fox Grape Rd
Hilton Head Island, SC 29928
(843) 671-2286
Gr: PK-12 | 437 students Avg. class size: 13 students Sports: 9 | Extracurrculars: 17 Tuition & acceptance rate listed
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.
(Episcopal)
300 Albemarle Rd
Charleston, SC 29407
(843) 556-3620
Gr: 1-12 | 1,059 student Sports: 16 | Extracurrculars: 10 Tuition listed
Spartanburg Day School
Spartanburg Day School Photo
(3)
1701 Skylyn Drive
Spartanburg, SC 29307
(864) 582-7539
Gr: PK-12 | 548 students Avg. class size: 12 students Sports: 10 Tuition & acceptance rate listed
University School of The Lowcountry
University School of The Lowcountry Photo - Visiting Shem Creek is a favorite activity for USL students.
Special Program Emphasis
(9)
690 Coleman Blvd.
Mount Pleasant, SC 29464
(843) 884-0902
Gr: 3-12 | 78 students Avg. class size: 10 students Extracurrculars: 7 Tuition & acceptance rate listed
Wilson Hall
Wilson Hall Photo
520 Wilson Hall Road
Sumter, SC 29150
(803) 469-3475
Gr: PK-12 | 851 students Avg. class size: 18 students Sports: 15 | Extracurrculars: 20 Tuition & acceptance rate listed
Beaufort Academy
Beaufort Academy Photo
240 Sams Point Rd
Beaufort, SC 29907
(843) 524-3393
Gr: PK-12 Avg. class size: 15 students Sports: 12 | Extracurrculars: 4 Tuition & acceptance rate listed
Glenforest School
Special Education School
1041 Harbor Dr
West Columbia, SC 29169
(803) 796-7622
Gr: K-12 | 61 students Avg. class size: 4 students Tuition listed
Hope Christian Academy
Special Education School (Christian)
545 Alexander Cir
Columbia, SC 29206
(803) 790-4028
Gr: 3-12 | 6 students
Sandhills School
Sandhills School Photo
Special Education School
(2)
1500 Hallbrook Dr
Columbia, SC 29209
(803) 695-1400
Gr: 1-12 | 109 students Avg. class size: 7 students Sports: 10 | Extracurrculars: 4 Tuition & acceptance rate listed
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.
Special Education School
1455 Wakendaw Rd
Mount Pleasant, SC 29464
(843) 884-7046
Gr: K-12 | 59 students Avg. class size: 6 students Sports: 4 | Extracurrculars: 6 Tuition & acceptance rate listed

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