County directory · Texas · 2026–27
School districts in Dallas County, TX
Dallas County has 15 regular public school districts, enrolling 405,017 students in 2024–25. The largest is Dallas ISD (139,802 students, 35% of the county), followed by Garland ISD and Mesquite ISD. All 15 offer kindergarten. Texas's kindergarten cutoff: turn 5 by September 1.
The 15 districts, largest first
| District and office | Grades | Schools | Students | Kindergarten | District office contact |
|---|---|---|---|---|---|
| Dallas ISD 9400 N CENTRAL EXPY, DALLAS | Pre-K–12 | 237 | 139,802 | 9,742 | (972) 925-3700 |
| Garland ISD 501 S JUPITER, GARLAND | Pre-K–12 | 68 | 51,021 | 3,235 | (972) 494-8201 |
| Mesquite ISD 3819 TOWNE CROSSING BLVD, MESQUITE | Pre-K–12 | 51 | 37,930 | 2,297 | (972) 288-6411 |
| Richardson ISD 400 S GREENVILLE AVE, RICHARDSON | Pre-K–12 | 51 | 36,971 | 2,672 | (469) 593-0000 |
| Irving ISD 2621 W AIRPORT FWY, IRVING | Pre-K–12 | 36 | 30,767 | 2,135 | (972) 600-5000 |
| Grand Prairie ISD 2602 S BELT LINE RD, GRAND PRAIRIE | Pre-K–12 | 37 | 26,129 | 1,538 | (972) 237-5300 |
| Carrollton-Farmers Branch ISD 1445 N PERRY RD, CARROLLTON also serves Denton County | Pre-K–12 | 35 | 24,165 | 1,786 | (972) 968-6100 |
| Coppell ISD 200 S DENTON TAP RD, COPPELL | Pre-K–12 | 16 | 13,233 | 709 | (214) 496-6000 |
| Duncanville ISD 710 S CEDAR RIDGE DR, DUNCANVILLE | Pre-K–12 | 15 | 11,562 | 618 | (972) 708-2000 |
| Lancaster ISD 422 S CENTRE AVE, LANCASTER | Pre-K–12 | 11 | 6,822 | 442 | (972) 218-1400 |
| Highland Park ISD 7015 WESTCHESTER DR, DALLAS | Pre-K–12 | 8 | 6,350 | 437 | (214) 780-3000 |
| Cedar Hill ISD 285 UPTOWN BLVD #300, CEDAR HILL | Pre-K–12 | 11 | 6,253 | 352 | (972) 291-1581 |
| Corsicana ISD 2200 W 4TH AVE, CORSICANA also serves Freestone County and Navarro County | Pre-K–12 | 8 | 5,998 | 393 | (903) 602-8100 |
| Desoto ISD 200 E BELT LINE RD, DESOTO | Pre-K–12 | 11 | 5,708 | 318 | (972) 223-6666 |
| Sunnyvale ISD 417 E TRIPP RD, SUNNYVALE | Pre-K–12 | 4 | 2,306 | 144 | (972) 226-5974 |
Dallas County at a glance
Together the 15 districts run 599 schools from offices in 14 towns. The smallest by enrollment is Sunnyvale ISD, with 2,306 students; the median Dallas County district has 13,233. By grade span: 15 Pre-K–12.
Kindergarten in 2024–25, counting the 15 districts that report a K grade: 26,818 children. The biggest kindergarten was Dallas ISD's, with 9,742; Garland ISD had 3,235, and the smallest, Sunnyvale ISD, had 144.
Dallas County holds 15 of Texas's 1,022 regular districts (1.5%) and 7.9% of its 5,108,224 public school students, ranking 5th of 253 counties by number of districts and 2nd by enrollment. By size, 14 enroll 5,000 or more and 1 enroll 1,000 to 4,999, and the average school here has about 676 students.
2 districts reach past the county line: Carrollton-Farmers Branch ISD (into Denton County) and Corsicana ISD (into Freestone County and Navarro County).
Which district am I in?
Each district draws its own attendance zones, so your home address decides it, and with 2 of Dallas County's districts crossing county lines the county alone won't. There is no address lookup here; ask the district. Each one's own site:
Dallas ISD · Garland ISD · Mesquite ISD · Richardson ISD · Irving ISD · Grand Prairie ISD · Carrollton-Farmers Branch ISD · Coppell ISD · Duncanville ISD · Lancaster ISD · Highland Park ISD · Cedar Hill ISD · Corsicana ISD · Desoto ISD · Sunnyvale ISD
What grade will my child be in?
More in Texas
Every Texas district by county · Texas kindergarten cutoff
More Texas county directories: Bexar County (15) · Collin County (14) · Denton County (11) · Hidalgo County (16) · Tarrant County (16) · Williamson County (11)