📊 Data: NCES CCD 2024–2025·🔄 Updated: August 2026·Editorial standards
📍 Buffalo, SC · Union County

Union County School District

Grades Pre-K – 12th · 3,788 students · 7 schools · 4 zip codes

3
out of 10 Rating Below Average
State reading & math proficiency · 21st percentile among South Carolina districts. Ranked within South Carolina only — not comparable across states.
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School District · South Carolina
Union County School District
📍 Buffalo, SC · Union County · NCES LEAID 4503750
3/10
Rating
3,788
Students
7
Schools
Pre-K – 12th
Grade Span
4
Zip Codes

District Contact & Information

Source: NCES CCD 2024–25
📚
Grades Served
Pre-K – 12th
📞
District Phone
(864)429-1740
🌐
District Website
www.union.k12.sc.us
📍
District Mailing Address
P.O. Box 907, Union, SC 29379
🎓
Enrollment
3,788 students
🏫
Schools
7
🏙
County
Union County, SC
🏷
NCES District ID (LEAID)
4503750
🏛
District Type
Public School District

Schools in Union County School District

7 schools listed
SchoolLevelGradesStudentsCity
Buffalo ElementaryElementaryPre-K – 5th483Buffalo
Foster Park ElementaryElementaryPre-K – 5th430Union
Monarch ElementaryElementaryPre-K – 5th442Union
Sims MiddleMiddle6th – 8th606Union
Union County Career and Technology CenterHigh9th – 12th—Union
Union County HighHigh9th – 12th1,024Union
Jonesville Elementary/MiddleOtherPre-K – 8th557Jonesville

Zip Codes Served by Union County School District

4 zip codes
Zip CodeCityCountyState
29321BuffaloUnion CountySC
29353JonesvilleUnion CountySC
29364LockhartUnion CountySC
29379UnionUnion CountySC

Frequently Asked Questions

What zip codes are in Union County School District?▼
Union County School District serves 4 zip codes: 29321, 29353, 29364, 29379. Zip codes and district boundaries do not line up exactly, so confirm your exact address with the district office before you rely on an assignment.
How is Union County School District rated?▼
Union County School District has an overall rating of 3 out of 10 (Below Average), based on the share of students proficient in reading and math on state assessments (NCES EDFacts). That places it in the 21st percentile among South Carolina school districts. Ratings are percentile-ranked within South Carolina only and are not comparable across states.
How many students attend Union County School District?▼
The NCES Common Core of Data directory reports enrollment of 3,788 students across 7 schools for Union County School District.
What grades does Union County School District serve?▼
Union County School District is listed in the NCES directory as serving grades Pre-K – 12th.
What schools are in Union County School District?▼
NCES lists 7 schools operating under Union County School District: 3 elementary, 1 middle, 2 high, 1 other or combined. Each school's grade span, enrollment and city are listed on this page. Attendance zones are set by the district and a school on this list is not necessarily the one your address is assigned to.
How do I contact Union County School District?▼
You can reach Union County School District by phone at (864)429-1740 or online at www.union.k12.sc.us or by mail at P.O. Box 907, Union, SC 29379. Contact details come from the NCES district directory and are the best way to confirm which school your address is assigned to.

About Union County School District

Union County School District is a public school district serving 4 zip codes in South Carolina, primarily in Union County. It carries an overall rating of 3/10 (Below Average), the 21st percentile among South Carolina districts. That rating reflects the share of students proficient in reading and math on state assessments (NCES EDFacts, 2021–22 for most districts with a 2017–18 fallback for the rest) and is ranked only against other South Carolina districts — scores are not comparable between states. Directory details on this page come from the NCES Common Core of Data, 2024–25.

Schools in this district

NCES lists 7 schools operating under Union County School District — 3 elementary, 1 middle, 2 high and 1 other or combined. The largest by enrollment is Union County High with 1,024 students. School-level enrollment comes from the NCES Common Core of Data school directory; a school with no reported enrollment is shown with a dash rather than a zero.

Checking your own address

District boundaries are address-specific and do not follow zip code lines exactly — a single zip code can be split between two or more districts. Use the zip codes listed above as a starting point, then confirm your assignment with the district office at (864)429-1740 before making a housing decision.

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