Public high schoolGrades 9–12Dallas ISD

Diane Ragsdale Citylab High School

912 S Ervay St, Dallas, TX 75201 · (972) 749-2702

A
91 / 1002026 TEA rating
● SteadyWithin 1 point of 2025 (A 92).
150students
16.1students per teacher
93%attendance
14thof 36 Dallas ISD high schools
Find homes near this school All Dallas ISD schools
ABAAAAARings: 1 and 2 miles
This schoolPublic school (2026 grade)PrivateWhat’s coming

Rating history

Diane Ragsdale Citylab High School has earned an A in 3 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 achievementB · 84

How students scored on STAAR tests, plus college and career readiness and graduation rates.

School progressB · 89

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

Closing the gapsA · 94

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

How students did on STAAR

Share of Diane Ragsdale Citylab High School tests at each level in spring 2025, across all grades and subjects. The dark tick is the Dallas ISD high school average.

Approaches grade level86%
Meets grade level54%
Dallas ISD high schools: 48.4%
Masters grade level18%
94%graduation rateAs used in TEA’s 2026 rating
98%of graduates ready for college, a career or the militaryAs used in TEA’s 2026 rating

Students and teachers

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

150students in 2024–25Down 21% from 191 the year before
16.1students per teacher9 full-time teachers
10.6average class sizeEnglish, math, science and social studies
6.2 yrsteachers’ average time in the district
$71,750average teacher base pay
81.3%from low-income familiesDallas ISD high schools: 88.7%
26.7%English learners
18%in gifted & talented
18%chronically absentMissed 10% or more of school days (2023–24)
Students by race and ethnicity
Hispanic 70%African American 16.7%White 11.3%Two or More Races 2%Asian 0%

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 Dallas ISD (district website).

Ask Stacey which homes are zoned here

What’s coming nearby

From Realust’s What’s Coming tracker, within 2 miles of Diane Ragsdale Citylab High School.

Under constructionNolan Estes Campus (Dallas ISD)Jan 2027 (target) · 0.1 mi away ApprovedDallas Wings arena (Memorial Auditorium)Date TBD · 0.4 mi away Under constructionConvention Center rebuildExpected 2030 · 0.4 mi away Under constructionGoldman Sachs campusEarly 2028 · 1.2 mi away Under constructionMill Creek flood-relief tunnelEarly 2029 · 1.3 mi away Under constructionThe Loop 50-mile trail completionExpected 2027 · 1.3 mi away

Nearby schools

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

ADr. Wright L Lassiter Jr Early College High SchoolDallas ISD · 98 · 0.8 mi BJames Madison High SchoolDallas ISD · 88 · 1.7 mi ASchool for the Talented and GiftedDallas ISD · 100 · 1.8 mi ASchool of Science and EngineeringDallas ISD · 99 · 1.8 mi AMarvin E Robinson School of Business and MgmtDallas ISD · 98 · 1.8 mi ASchool of Health ProfessionsDallas ISD · 98 · 1.8 mi PThe King's AcademyPrivate · PK–6 · 1.3 mi PCornerstone Crossroads AcademyPrivate · 9–12 · 2.1 mi PDallas Christian AcademyPrivate · PK–12 · 2.5 mi
Thinking about living near Diane Ragsdale Citylab High School?See what Dallas is like day to day, or text Stacey to find homes nearby.
See DallasText Stacey

Stacey Haynes is a licensed Texas real estate sales agent with Compass and is affiliated with Realust. TREC Consumer Protection Notice

Questions about Diane Ragsdale Citylab High School

What is Diane Ragsdale Citylab High School’s TEA rating?

Diane Ragsdale Citylab High School earned an A (91 out of 100) in the Texas Education Agency’s 2026 A–F ratings, released in August 2026. It had an A (92) in 2025.

What grades does Diane Ragsdale Citylab High School serve?

Grades 9–12. It’s part of Dallas ISD, at 912 S Ervay St in Dallas.

How many students go to Diane Ragsdale Citylab High School?

150 students in 2024–25, down 21% from 191 the year before. There are about 16 students for every teacher.

How does Diane Ragsdale Citylab High School compare with other Dallas ISD high schools?

Its 2026 score ranks 14th of 36 Dallas ISD high schools (tied with 3 others). 50% of them earned an A in 2026.

Which homes are zoned to Diane Ragsdale Citylab High School?

Attendance zones can change from year to year. Use Dallas 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.