For the 2025 school year, there is 1 public high school serving 423 students in Johns Island, SC.
The top ranked public high school in Johns Island, SC is St. Johns High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Johns Island, SC public high school have an average math proficiency score of 62% (versus the South Carolina public high school average of 51%), and reading proficiency score of 77% (versus the 77% statewide average). High schools in Johns Island have an average ranking of 6/10, which is in the top 50% of South Carolina public high schools.
Johns Island, SC public high school have a Graduation Rate of 87%, which is more than the South Carolina average of 84%.
The school with highest graduation rate is St. Johns High School, with 85-89% graduation rate. Read more about public school graduation rate statistics in South Carolina or national school graduation rate statistics.
Minority enrollment is 80% of the student body (majority Black), which is more than the South Carolina public high school average of 52% (majority Black).
Best Public High Schools in Johns Island, SC (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
St. Johns High School
(Math: 60-64% | Reading: 75-79%)
Rank:
Rank:
9/
Top 20%10
1518 Main Road
Johns Island, SC 29455
(843) 559-6200
Johns Island, SC 29455
(843) 559-6200
Grades: 9-12
| 423 students
Johns Island, South Carolina Public Schools (Closed)
School
Location
Grades
Students
Sea Island Youthbuild Charter (Closed 2010)
Charter School
3483 Maybank Hwy
Johns Island, SC 29457
(843) 557-1611
Johns Island, SC 29457
(843) 557-1611
Grades: 7-12
| 59 students
Frequently Asked Questions
What are the top ranked public high schools in Johns Island, SC?
The top ranked public high schools in Johns Island, SC include St. Johns High School.
How many public high schools are located in Johns Island?
1 public high schools are located in Johns Island.
What is the racial composition of students in Johns Island?
Johns Island public high schools minority enrollment is 80% of the student body (majority Black), which is more than the South Carolina public high schools average of 52% (majority Black).
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