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For the 2025-26 school year, there are 11 public charter schools serving 4,920 students in Charleston, SC.

The top ranked public charter schools in Charleston, SC are James Island Charter High School, Orange Grove Charter School and Charleston Charter School For Math And Science. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.

Charleston, SC public charter schools have an average math proficiency score of 59% (versus the South Carolina public charter school average of 40%), and reading proficiency score of 71% (versus the 58% statewide average). Charter schools in Charleston have an average ranking of 9/10, which is in the top 20% of South Carolina public charter schools.

Minority enrollment is 43% of the student body (majority Black), which is equal to the South Carolina public charter school average of 43% (majority Black).