Thornwell Charter School

203 West Calhoun Street, Clinton, SC 29325

BSchola Grade
Grades
K–12
Other
Students
525
Enrolled 2024–25
Students per teacher
11.8 : 1
Full-time teachers
District
Charter Institute at Erskine
Laurens County

Schola Grade B · Above average

Letter grade (A–F) · compared with 19 South Carolina K–8, K–12 and other combined schools · How we grade
Test scores47% proficient in math & reading
83rdpercentile
Equity32% of low-income students proficient
47thpercentile
Attendance22% chronically absent
33rdpercentile
Class size11.8 students per teacher
89thpercentile

Percentiles compare this school with other South Carolina K–8, K–12 and other combined 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 Thornwell Charter School

Thornwell Charter School is a charter school in Clinton, South Carolina, serving grades K–12. It is part of Charter Institute at Erskine. The school is located in a town in Laurens County.

In the 2024–25 school year, 525 students were enrolled, with about 11.8 students for every full-time teacher. As a charter school, it is publicly funded and tuition-free, but operates independently of the local district under a charter from Charter Institute at Erskine. Its Schola Grade is B (above average), compared with 19 South Carolina K–8, K–12 and other combined schools.

Grades & enrollment

Students per grade, 2024–25Grades K–12

Location & nearby schools

203 West Calhoun Street
Clinton, SC 29325
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School details

Type
Charter School · What this means
Level
Other
Grades offered
K–12
Enrollment (2024–25)
525 students
Students per teacher
11.8 to 1
Charter school
Yes
Charter authorizer
Charter Institute at Erskine
Magnet school
No
Virtual learning
Offers virtual courses
Locale
Town — Distant
School district
Charter Institute at Erskine
County
Laurens County
NCES school ID
450390901716

Schools near Thornwell Charter School

All 6 schools in Clinton →

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.