For the 2026 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 55% (versus the South Carolina public high school average of 53%), and reading proficiency score of 77% (versus the 77% statewide average). High schools in Johns Island have an average ranking of 5/10, which is in the bottom 50% of South Carolina public high schools.
Johns Island, SC public high school have a Graduation Rate of 82%, which is less than the South Carolina average of 84%.
The school with highest graduation rate is St. Johns High School, with 80-84% 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 (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
St. Johns High School
(Math: 50-59% | Reading: 75-79%)
Rank:
Rank:
8/
Top 30%10
1518 Main Road
Johns Island, SC 29455
(843) 559-6200
Johns Island, SC 29455
(843) 559-6200
Gr: 9-12 | 423 students Student-teacher ratio: 14:1 Minority enrollment: 80%
Johns Island, South Carolina Public Schools (Closed)
School
Location
Quick Facts
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
Gr: 7-12 | 59 students Minority enrollment: 95%
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).