Southside High, 6630 Frontage Road at White Horse Road: grades 9 to 12, 1,018 students in 2025-26, rated Good on the state report card.

Last checked Oct. 16, 2026. Sources: the school’s website; its administration page; Greenville County Schools’ Find Your School lookup and subdivision list; 2026-27 calendar and school hours; magnet academies page; the S.C. Department of Education’s 2025-26 report card data; the federal NCES school directory; the Census Bureau’s city boundary; the South Carolina High School League’s 2026-28 reclassification and the school’s athletics site.

Southside High sits beside White Horse Road south of the city, outside the city limits in the unincorporated Gantt area, according to the Census Bureau’s boundaries, and is the district’s International Baccalaureate magnet high school. Its zone reaches into the south side of Greenville. It was rated Good, with 63 points, on South Carolina’s 2025-26 report card, and the school’s graduation rate has climbed from 65.4% in 2023 to 90.3% for the class of 2026.

Who to call
Address 6630 Frontage Road at White Horse Road, Greenville, SC 29605
Phone 864-355-8700
Grades 9 to 12
District Greenville County Schools
City of Greenville Outside the city limits, in the unincorporated Gantt area
School hours 8:45 a.m. to 3:45 p.m.
State school ID 2301018

Principal

Principal Tatiana Shea, according to the school’s administration page.

Enrollment and teachers

  • State count: 1,018 students in the 2025-26 school year, according to the state’s report card data.
  • Federal count: 1,132 students in the 2023-24 school year, with 67 full-time-equivalent teachers, according to the NCES directory. That is about 17 students per teacher.

State report card

South Carolina rates every public school each year as Excellent, Good, Average, Below Average or Unsatisfactory. The overall rating is built from indicators such as academic achievement, preparing for success, student progress, English learners’ progress and school climate, with graduation rate and college and career readiness added for high schools, according to the state’s report card site and the Education Oversight Committee’s accountability manuals.

2025-26 rating: Good, 63 points. On the state’s high school scale, Excellent 67 to 100, Good 60 to 66, Average 51 to 59, Below Average 40 to 50 and Unsatisfactory 39 and below. A Good rating means school performance “exceeds the criteria to ensure all students meet the Profile of the SC Graduate.”

Indicator 2025-26 rating
Academic achievement Average
Preparing for success Below Average
Graduation rate Excellent
College and career readiness Excellent
English learners’ progress Below Average
School climate Good
  • End-of-course tests, share scoring A, B or C: English 61.4%, Algebra 59.2%, Biology 44.4% and U.S. History 39% (district: 72.9%, 80%, 56.7% and 58.9%)
  • Four-year graduation rate: 90.3% for the class of 2026, after 84.4% in 2025 and 78.6% in 2024 (Greenville County Schools: 92.2%)
  • College or career ready: 86.1% of the 2026 graduating class (district: 90.5%)
  • College-ready routes: 3.8% through AP exams, 4.6% through IB exams and 11.8% through dual-enrollment courses, among 2026 graduates

The full report card, with results by student group, teacher data, school safety and spending, is on the state’s SC School Report Cards site. The state published the 2025-26 ratings in October 2026.

Attendance zone

Check an address with the district’s Find Your School lookup. Greenville County Schools assigns students by subdivision, apartment complex and street address, and zones do not follow the city limits.

We ran 222 addresses spread across Greenville’s city limits through the lookup on Oct. 16; 14 were zoned for Southside High.

In the district’s 2026-27 subdivision list, the Southside High zone takes in streets zoned for Hughes Academy, Tanglewood Middle, Dr. Phinnize J. Fisher Middle, Woodmont Middle and Beck International Academy for middle school, most often the first named. The elementary zones in it are Robert E Cashion Elementary, Grove Elementary, Thomas E. Kerns Elementary, Blythe Academy, Mauldin Elementary, Greenbrier Elementary, Reedy Laurel Elementary and Sue Cleveland Elementary.

The 2025-26 assignment plan also directs part of the new Reedy Laurel Elementary area to Southside, according to the district’s assignment plan page.

Programs

Southside High International Baccalaureate Middle Years and Diploma Programs is one of Greenville County Schools’ magnet academies. The district’s magnet academies page says the program “offers the International Baccalaureate Middle Years Program in grades 9-10 and the Diploma Program in grades 11-12.” Diploma students take courses in six subject areas, write an in-depth research paper, take a Theory of Knowledge course and do community service, according to the page.

Magnet seats are open to students across the county by application through the Backpack parent portal. Applications are scored on attendance, discipline and academic performance, siblings of current magnet students have priority in the first round, and a lottery is used when more students qualify than there are seats, according to the same page.

Calendar and school hours

Southside High follows Greenville County Schools’ 2026-27 calendar. Coming dates from the district’s calendar file (all district calendars are on its calendars page):

  • Monday, Nov. 2: no school for students (teacher development day)
  • Tuesday, Nov. 3: Election Day, student holiday
  • Nov. 25-27: Thanksgiving break
  • Friday, Dec. 18: half day, end of the second quarter
  • Dec. 21 to Jan. 1: winter break; Monday, Jan. 4, is a teacher development day, so students return Tuesday, Jan. 5

School hours: 8:45 a.m. to 3:45 p.m. for all Greenville County high schools, according to the district’s school hours page. Half days end at 1:15 p.m.

Sports and activities

Southside is a Class 3A school in Region 1 for the South Carolina High School League’s 2026-28 classification, with Berea, Daniel, Pickens, Seneca and Walhalla, according to the SCHSL reclassification lookup.

The school’s athletics website, southsideathleticzone.com, lists teams in baseball, basketball, cheer and competitive cheer, cross country, flag football, football, golf, soccer, softball, tennis, track and field, volleyball and wrestling, with boys and girls teams in most of them.

Fall schedules and results are in our Friday night football guide and on our scoreboard.

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Frequently asked questions

What grades does Southside High serve?

Southside High serves ninth through 12th grade, according to Greenville County Schools.

What is Southside High’s state report card rating?

Southside High was rated Good, with 63 points, on South Carolina’s 2025-26 school report card, published in October 2026.

Which middle schools feed Southside High?

In the district’s 2026-27 subdivision list, streets zoned for Hughes Academy, Tanglewood Middle, Dr. Phinnize J. Fisher Middle, Woodmont Middle and Beck International Academy go on to Southside High; check an exact address with Find Your School.

What time does Southside High start?

Classes run 8:45 a.m. to 3:45 p.m., the hours Greenville County Schools sets for all its high schools.