Union County High School
Union, SC
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Union County High School
1163 Lakeside Drive
Phone: 864-429-1750Union, SC 29379 Union County
Grades Served: 9-12
Enrollment: 1,024
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State Ranking
Overall, Union County 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 Union County, SC. Union County High School has an enrollment of approximately 1,024 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 | 15.8 | 35th | 16.8 |
| Math | 16.7 | 29th | 17.8 |
| Reading | 17.7 | 40th | 19.2 |
| Science | 18.1 | 43rd | 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 Union County 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 | 71.67 | 77.86 |
| Algebra 1 | 62.68 | 71.22 |
| Biology 1 | 58.24 | 67.59 |
| Subject |
Average Score at This School |
| Reading | 497 |
| Math | 446 |
| Composite Score | 943 |
| SAT Participation Rate | 35 % |
Union County High had an average SAT score of 943 (math and reading combined). This means the school’s average SAT scores ranked #106 out of 231 SC high schools (54th percentile). On this site, you can see the SAT scores of South Carolina high schools. The SAT participation rate at Union County High was 35% 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.