West Ashley Center for Advance Studies
CTE · Grades 9–12
St. Johns High
1518 Main Road, Johns Island, SC 29455
Grades
9–12
High
Students
390
Enrolled 2024–25
Students per teacher
11.5 : 1
Full-time teachers
District
Charleston 01
Charleston County
Schola Grade C · Average
Letter grade (A–F) · compared with 208 South Carolina high schools · How we grade
Percentiles compare this school with other South Carolina high schools; the line marks the middle. Data: test scores 2021–22, graduation and absenteeism 2022–23 (U.S. Department of Education, EDFacts); coursework 2023–24 (Civil Rights Data Collection); staffing 2024–25 (NCES).
About St. Johns High
St. Johns High is a public high school in Johns Island, South Carolina, serving grades 9–12. It is part of Charleston 01. The school is located in a midsize city in Charleston County.
In the 2024–25 school year, 390 students were enrolled, with about 11.5 students for every full-time teacher. That ratio is smaller than the typical South Carolina high school (15.5 students per teacher). Its Schola Grade is C (average), compared with 208 South Carolina high schools.
Grades & enrollment
Students per grade, 2024–25Grades 9–12
Location & nearby schools
School details
- Type
- Public School · What this means
- Level
- High
- Grades offered
- 9–12
- Enrollment (2024–25)
- 390 students
- Students per teacher
- 11.5 to 1
- AP courses offered
- 2
- Charter school
- No
- Magnet school
- No
- Virtual learning
- Offers virtual courses
- Locale
- City — Midsize
- School district
- Charleston 01
- County
- Charleston County
- NCES school ID
- 450144000264
Schools near St. Johns High
All 6 schools in Johns Island →
West Ashley High
Public · Grades 9–12 · 2,069 students
James Island Charter High
Charter · Grades 9–12 · 1,612 students
Burke High
Magnet · Grades 9–12 · 342 students
Charleston Charter School for Math and Science
Charter · Grades 6–12 · 573 students
Harvest Time International Academy
Private · Grades 12 · 2 students
School data comes from the U.S. Department of Education: the National Center for Education Statistics (NCES) Common Core of Data and EDGE school locations (2024–25) and Private School Survey (2023–24), the Civil Rights Data Collection (2023–24), and EDFacts (test results 2021–22; graduation and chronic absenteeism 2022–23), plus other public sources. Please contact the school to confirm enrollment, programs, and other details. How we source data.