Johns Island's St. Johns High School is a Public School Serving students in Grades 09-12.
77.13% of students at this school are Black, non-Hispanic
| Grades Offered | Grades 09-12 |
| Total Students | 258 |
| Student:Teacher ratio | 8:1 |
| Gender % | 56.98 % Male / 43.02 % Female |
| Total Classroom Teachers | 33.30 |
| Student Population at St. Johns High School by Grade | |
| Magnet School | |
| Charter School | |
| Shared School | |
| Title 1 Eligible |