Public elementary schoolGrades EE–4Carroll ISD

Old Union Elementary

1050 S Carroll Ave, Southlake, TX 76092 · (817) 949-4600

A
93 / 1002026 TEA rating
● SteadyWithin 2 points of 2025 (A 95).
458students
12students per teacher
96.3%attendance
4thof 5 Carroll ISD elementary schools
Find homes near this school All Carroll ISD schools
AABAABARings: 1 and 2 miles
This schoolPublic school (2026 grade)Private

Rating history

Old Union Elementary has earned an A in 6 of its 6 A–F ratings since 2019.

TEA didn’t give A–F ratings in 2020 or 2021 (COVID). Scores are out of 100: 90+ is an A, 80–89 a B, 70–79 a C, 60–69 a D.

What makes up the 2026 grade

Student achievementA · 95

How students scored on STAAR tests.

School progressB · 83

How much students grew from last year, or how they did compared with schools with similar student populations.

Closing the gapsB · 88

How each student group did, including students from low-income families and English learners.

How students did on STAAR

Share of Old Union Elementary tests at each level in spring 2025, across all grades and subjects. The dark tick is the Carroll ISD elementary school average.

Approaches grade level97%
Meets grade level85%
Carroll ISD elementary schools: 89.5%
Masters grade level65%

Students and teachers

From TEA’s 2024–25 school report card (TAPR).

458students in 2024–25About the same as the year before
12students per teacher38 full-time teachers
19.2average class sizeCarroll ISD elementary schools: 19.3
8.5 yrsteachers’ average time in the district
$66,226average teacher base pay
2.2%from low-income familiesCarroll ISD elementary schools: 1.3%
10.3%English learners
10%in gifted & talented
3.3%chronically absentMissed 10% or more of school days (2023–24)
Students by race and ethnicity
White 56.8%Asian 18.3%Hispanic 13.8%Two or More Races 9.4%African American 0.9%

Is a home zoned here?

Attendance zones change, and many homes near a school are zoned somewhere else. Before you buy or rent, confirm the address with Carroll ISD (district website).

Ask Stacey which homes are zoned here

What’s coming nearby

Nothing we track is being built within 2 miles.We check new schools, rezoning, bonds and big construction every month.
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Nearby schools

Closest elementary schools and private schools, by straight-line distance.

ARobert H Rockenbaugh ElementaryCarroll ISD · 95 · 1.0 mi AiUniversity PrepGrapevine-Colleyville ISD · 92 · 1.0 mi BTimberline ElementaryGrapevine-Colleyville ISD · 87 · 1.3 mi AGlenhope ElementaryGrapevine-Colleyville ISD · 95 · 1.6 mi AJack D Johnson ElementaryCarroll ISD · 97 · 2.1 mi BCannon ElementaryGrapevine-Colleyville ISD · 82 · 2.6 mi PFusion Academy Slk: SouthlakePrivate · 5–12 · 1.2 mi PCreme de La Creme- ColleyvillePrivate · PK–K · 1.5 mi PSpanish SchoolhousePrivate · PK–K · 1.6 mi
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Questions about Old Union Elementary

What is Old Union Elementary’s TEA rating?

Old Union Elementary earned an A (93 out of 100) in the Texas Education Agency’s 2026 A–F ratings, released in August 2026. It had an A (95) in 2025.

What grades does Old Union Elementary serve?

Grades EE–4. It’s part of Carroll ISD, at 1050 S Carroll Ave in Southlake.

How many students go to Old Union Elementary?

458 students in 2024–25, about the same as the year before. There are about 12 students for every teacher.

How does Old Union Elementary compare with other Carroll ISD elementary schools?

Its 2026 score ranks 4th of 5 Carroll ISD elementary schools (tied with 1 other). 100% of them earned an A in 2026.

Which homes are zoned to Old Union Elementary?

Attendance zones can change from year to year. Use Carroll ISD’s school locator or call the district to confirm an address before you buy or rent.

Sources: Texas Education Agency 2019–2026 A–F accountability ratings (2026 released August 2026); TEA 2024–25 Texas Academic Performance Report (TAPR); TEA school directory; Realust What’s Coming tracker. District rankings and averages are Realust calculations from TEA data. Updated November 2026. See something out of date? Tell us.