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For the 2025-26 school year, there are 11 public high schools serving 6,014 students in Charleston, SC.

The top ranked public high schools in Charleston, SC are James Island Charter High School, West Ashley High School and Philip Simmons High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.

Charleston, SC public high schools have an average math proficiency score of 64% (versus the South Carolina public high school average of 53%), and reading proficiency score of 79% (versus the 77% statewide average). High schools in Charleston have an average ranking of 7/10, which is in the top 50% of South Carolina public high schools.

Charleston, SC public high school have a Graduation Rate of 76%, which is less than the South Carolina average of 84%.

The school with highest graduation rate is Charleston Charter School For Math And Science, with ≥95% graduation rate. Read more about public school graduation rate statistics in South Carolina or national school graduation rate statistics.

Minority enrollment is 49% of the student body (majority Black), which is less than the South Carolina public high school average of 52% (majority Black).