#25 Largest Private Schools in South Carolina
Thomas Sumter Academy
Christian school (nondenominational) · Grades Pre-K–12
474 students
Rembert, SC
BOverall grade474 students10 students per teacher
2026 lists
Largest Private Schools in South Carolina
The private schools in South Carolina with the most students. Top 50 of 221 schools.
#26 Largest Private Schools in South Carolina
Orangeburg Preparatory School
Independent school · Grades Pre-K–12
459 students
Orangeburg, SC
B-Overall grade459 students11 students per teacher
#27 Largest Private Schools in South Carolina
Colleton Preparatory Academy
Independent school · Grades Pre-K–12
458 students
Walterboro, SC
B+Overall grade458 students9 students per teacher
#28 Largest Private Schools in South Carolina
Pee Dee Academy
Christian school (nondenominational) · Grades Pre-K–12
455 students
Mullins, SC
BOverall grade455 students10 students per teacher
#29 Largest Private Schools in South Carolina
Spartanburg Day School
Independent school · Grades Pre-K–12
455 students
Spartanburg, SC
A+Overall grade455 students7 students per teacher
#30 Largest Private Schools in South Carolina
Dillon Christian School
Presbyterian school · Grades Pre-K–12
427 students
Dillon, SC
AOverall grade427 students11 students per teacher
#31 Largest Private Schools in South Carolina
St. John's Christian Academy
Christian school (nondenominational) · Grades Pre-K–12
420 students
Moncks Corner, SC
B-Overall grade420 students13 students per teacher
#32 Largest Private Schools in South Carolina
Hilton Head Preparatory School
Independent school · Grades Pre-K–12
402 students
Hilton Head Island, SC
AOverall grade402 students10 students per teacher
#33 Largest Private Schools in South Carolina
First Presbyterian Academy at Shannon Forest
Presbyterian school · Grades Pre-K–12
397 students
Greenville, SC
A+Overall grade397 students7 students per teacher
#34 Largest Private Schools in South Carolina
Oakbrook Preparatory School
Independent school · Grades Pre-K–12
393 students
Spartanburg, SC
A+Overall grade393 students6 students per teacher
#35 Largest Private Schools in South Carolina
Mitchell Road Christian Academy
Presbyterian school · Grades Pre-K–8
392 students
Greenville, SC
B-Overall grade392 students14 students per teacher
#36 Largest Private Schools in South Carolina
Calhoun Academy
Independent school · Grades Pre-K–12
387 students
Saint Matthews, SC
B-Overall grade387 students13 students per teacher
#37 Largest Private Schools in South Carolina
Trinity Collegiate School
Christian school (nondenominational) · Grades 6–12
377 students
Darlington, SC
A+Overall grade377 students8 students per teacher
#38 Largest Private Schools in South Carolina
The Carolina Academy
Baptist school · Grades Pre-K–12
371 students
Lake City, SC
B-Overall grade371 students13 students per teacher
#39 Largest Private Schools in South Carolina
Charleston Collegiate School
Independent school · Grades Pre-K–12
363 students
Johns Island, SC
A+Overall grade363 students8 students per teacher
#40 Largest Private Schools in South Carolina
John Paul II Catholic School
Diocesan school · Grades 6–12
363 students
Ridgeland, SC
A+Overall grade363 students10 students per teacher
#41 Largest Private Schools in South Carolina
John Paul II Catholic School
Diocesan school · Grades 6–12
362 students
Ridgeland, SC
AOverall grade362 students9 students per teacher
#42 Largest Private Schools in South Carolina
Faith Christian School & Daycare
Assembly of God school · Grades Pre-K–12
354 students
Summerville, SC
B-Overall grade354 students14 students per teacher
#43 Largest Private Schools in South Carolina
Cathedral Academy
Christian school (nondenominational) · Grades Pre-K–12
351 students
North Charleston, SC
BOverall grade351 students12 students per teacher
#44 Largest Private Schools in South Carolina
Cathedral Academy
Christian school (nondenominational) · Grades Pre-K–12
348 students
Charleston, SC
B-Overall grade348 students13 students per teacher
#45 Largest Private Schools in South Carolina
Clarendon Hall School
Baptist school · Grades Pre-K–12
344 students
Summerton, SC
B-Overall grade344 students13 students per teacher
#46 Largest Private Schools in South Carolina
Calvary Christian School
Christian school (nondenominational) · Grades Pre-K–12
330 students
Myrtle Beach, SC
B-Overall grade330 students12 students per teacher
#47 Largest Private Schools in South Carolina
The King's Academy
Christian school (nondenominational) · Grades Pre-K–12
325 students
Florence, SC
A+Overall grade325 students9 students per teacher
#48 Largest Private Schools in South Carolina
Dorchester Academy
Christian school (nondenominational) · Grades Pre-K–12
324 students
Saint George, SC
B-Overall grade324 students13 students per teacher
From official public records, updated October 2026.