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St. John's High School

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St. John's High School

Johns Island, SC


St. John's High School
1518 Main Road
Johns Island, SC  29455
Phone: 843-559-6200
Charleston County

CarolinaSchoolHub Rating: 1 out of 10 stars
1  

Grades Served: 9-12
Enrollment: 390
Type: Regular School
St. John's High School

St. John's High School



Metro Area Ranking

#19
Metro Area High School Ranking: St. John's High School is ranked #19 out of 20 of the best high schools in Charleston and surrounding areas (5th percentile). Cick the link to see all 20 high schools.

State Ranking

#155
Statewide High School Ranking: St. John's High School is ranked #155 out of 158 of the best high schools in South Carolina (2nd percentile). Click the link to see all 158 high schools.

Overall, St. John's High School is a 1-star school (on a scale of 1 to 10 stars) based on CarolinaSchoolHub’s analysis of South Carolina Schools. The school is located in Charleston County, SC. St. John's High School has an enrollment of approximately 390 students and serves grades 9-12. Below you’ll find information about this school’s test scores and more.







Students
South Carolina Standardized Tests
Average ACT Scores
Subject Average Score at
This School
Average Score
This School's State
Percentile Rating
State Percentile
State Average of
All SC Schools
State Average
English 12.8 7th 16.8
Math 14.6 5th 17.8
Reading 13.5 2nd 19.2
Science 14 1st 18.7

The ACT, a college readiness assessment, was given to every South Carolina senior in 2026 with the exception of those eligible for alternate assessments. The ACT scores range from 0 to 36. State averages for ACT data are based on regular public schools and do not include private schools in the state. In the chart above, you can get a sense for how the average ACT scores at St. John's High stack up against those of other high schools in South Carolina.

End-of-Course Tests
Subject Average Score at
This School
Average Score
State Average of
All SC Schools
State Average
English 1 71.81 77.86
Algebra 1 62.13 71.22
Biology 1 57.05 67.59

Average SAT Scores
Subject Average Score at
This School
Average Score
Reading 440
Math 421
Composite Score 861
SAT Participation Rate 60 %

St. John's High had an average SAT score of 861 (math and reading combined). This means the school’s average SAT scores ranked #145 out of 231 SC high schools (37th percentile). On this site, you can see the SAT scores of South Carolina high schools. The SAT participation rate at St. John's High was 60% in our most recently available data. Above you can also see how the school’s ACT scores compare to other schools in South Carolina.

Graduation Rate
 93% - St. John's High School
 89% - Median of South Carolina high schools
 93% - St. John's High School
 89% - Median of South Carolina high schools


Rankings for schools were created independently by Carolina School Hub. The test data for this site was derived from the North Carolina Department of Public Instruction and South Carolina Department of Education.

Regular Schools Nearby

School Name Stars Distance City Grades
Served
Haut Gap Middle School
1.2 miles John's Island 6-8
Sangaree Intermediate School
4.2 miles Summerville 3-5
C. E. Williams Middle School for Creative and Scientific Arts
5.3 miles Charleston 6-8
Oakland Elementary School
5.7 miles Charleston P3-5
Stono Park Elementary School
6.1 miles Charleston P3-5
West Ashley High School
6.6 miles Charleston 9-12
Murray-LaSaine Montessori
6.7 miles Charleston P3-8
Lowcountry Leadership Charter School
6.9 miles Meggett K-12
Ashley River Creative Arts Elementary School
6.9 miles Charleston P4-5
James Island Elementary School
7.4 miles Charleston P3-5
St. Andrew's School of Math and Science
10 
7.7 miles Charleston P3-5
E.B. Ellington Elementary School
7.8 miles Ravenel P3-5
Harbor View Elementary School
10 
7.9 miles Charleston P4-5
Camp Road Middle School
10 
8.0 miles Charleston 6-8
Springfield Elementary School
8.0 miles Charleston P3-5
School Name Stars Distance Grades
Served
Haut Gap Middle School
1.2 miles 6-8
Sangaree Intermediate School
4.2 miles 3-5
C. E. Williams Middle School for Creative and Scientific Arts
5.3 miles 6-8
Oakland Elementary School
5.7 miles P3-5
Stono Park Elementary School
6.1 miles P3-5
West Ashley High School
6.6 miles 9-12
Murray-LaSaine Montessori
6.7 miles P3-8
Lowcountry Leadership Charter School
6.9 miles K-12
Ashley River Creative Arts Elementary School
6.9 miles P4-5
James Island Elementary School
7.4 miles P3-5
St. Andrew's School of Math and Science
10 
7.7 miles P3-5
E.B. Ellington Elementary School
7.8 miles P3-5
Harbor View Elementary School
10 
7.9 miles P4-5
Camp Road Middle School
10 
8.0 miles 6-8
Springfield Elementary School
8.0 miles P3-5


Charter Schools Nearby

School Name Stars Distance City Grades
Served
Orange Grove Charter School
10 
8.7 miles Charleston P4-8
Charleston Development Academy
9.5 miles Charleston P4-8
James Island Charter High School
9.6 miles Charleston 9-12
Carolina Voyager Charter School
10.1 miles Charleston K-8
Allegro Charter School of Music
10.1 miles North Charleston 6-12
Charleston Charter School for Math and Science
10.2 miles Charleston 6-12
Palmetto Scholars Academy
12.2 miles North Charleston 6-12
East Cooper Montessori Charter School
10 
14.2 miles Mt. Pleasant P3-8
School Name Stars Distance Grades
Served
Orange Grove Charter School
10 
8.7 miles P4-8
Charleston Development Academy
9.5 miles P4-8
James Island Charter High School
9.6 miles 9-12
Carolina Voyager Charter School
10.1 miles K-8
Allegro Charter School of Music
10.1 miles 6-12
Charleston Charter School for Math and Science
10.2 miles 6-12
Palmetto Scholars Academy
12.2 miles 6-12
East Cooper Montessori Charter School
10 
14.2 miles P3-8