James F. Byrnes High

150 East Main Street, Duncan, SC 29334

CSchola Grade
Grades
9–12
High
Students
2,391
Enrolled 2024–25
Students per teacher
19.1 : 1
Full-time teachers
District
Spartanburg 05
Spartanburg County

Schola Grade C · Average

Letter grade (A–F) · compared with 208 South Carolina high schools · How we grade
Test scores59% proficient in math & reading
27thpercentile
Equity54% of low-income students proficient
27thpercentile
Attendance24% chronically absent
74thpercentile
Graduation rate86% graduate in 4 years
48thpercentile
College readinessAt least 12% take AP, IB or dual-enrollment courses
54thpercentile
Class size19.1 students per teacher
6thpercentile

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 James F. Byrnes High

James F. Byrnes High is a public high school in Duncan, South Carolina, serving grades 9–12. It is part of Spartanburg 05. The school is located in a midsize suburb in Spartanburg County.

In the 2024–25 school year, 2,391 students were enrolled, with about 19.1 students for every full-time teacher. That ratio is larger 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

150 East Main Street
Duncan, SC 29334
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School details

Type
Public School · What this means
Level
High
Grades offered
9–12
Enrollment (2024–25)
2,391 students
Students per teacher
19.1 to 1
AP courses offered
16
Charter school
No
Magnet school
No
Virtual learning
Offers virtual courses
Locale
Suburb — Midsize
School district
Spartanburg 05
County
Spartanburg County
NCES school ID
450360001022

Schools near James F. Byrnes High

All 8 schools in Duncan →
Greer High
Public · Grades 9–12 · 1,397 students
C6.8 mi
Chapman High
Public · Grades 9–12 · 1,057 students
A9.1 mi

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.