Southside High School
Greenville, SC
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Southside High School
6630 Frontage Road at White Horse Road
Phone: 864-355-8700Greenville, SC 29605 Greenville County
Grades Served: 9-12
Enrollment: 1,075
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Metro Area Ranking
State Ranking
Overall, Southside High School is a 4-star school (on a scale of 1 to 10 stars) based on CarolinaSchoolHub’s analysis of South Carolina Schools. The school is located in Greenville County, SC. Southside High School has an enrollment of approximately 1,075 students and serves grades 9-12. Below you’ll find information about this school’s test scores and more.
| Subject |
Average Score at This School |
This School's State Percentile Rating |
State Average of All SC Schools |
| English | 15.7 | 34th | 16.8 |
| Math | 16.9 | 31st | 17.8 |
| Reading | 17.5 | 38th | 19.2 |
| Science | 17.5 | 35th | 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 Southside High stack up against those of other high schools in South Carolina.
| Subject |
Average Score at This School |
State Average of All SC Schools |
| English 1 | 73.18 | 77.86 |
| Algebra 1 | 65.18 | 71.22 |
| Biology 1 | 65.36 | 67.59 |
| Subject |
Average Score at This School |
| Reading | 459 |
| Math | 418 |
| Composite Score | 877 |
| SAT Participation Rate | 42 % |
Southside High had an average SAT score of 877 (math and reading combined). This means the school’s average SAT scores ranked #139 out of 231 SC high schools (40th percentile). On this site, you can see the SAT scores of South Carolina high schools. The SAT participation rate at Southside High was 42% in our most recently available data. Above you can also see how the school’s ACT scores compare to other schools in South Carolina.
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.