County directory · Texas · 2026–27

School districts in Denton County, TX

Denton County has 11 regular public school districts, enrolling 144,462 students in 2024–25. The largest is Lewisville ISD (47,876 students, 33% of the county), followed by Denton ISD and Northwest ISD. All 11 offer kindergarten. Texas's kindergarten cutoff: turn 5 by September 1.

The 11 districts, largest first

School districts in Denton County, TX by 2024–25 enrollment
District and officeGradesSchoolsStudentsKindergartenDistrict office contact
Lewisville ISD
1565A W MAIN ST, LEWISVILLE
also serves Tarrant County
Pre-K–125747,8762,893
(469) 713-5200
Denton ISD
1307 N LOCUST ST, DENTON
Pre-K–124733,3292,341
(940) 369-0000
Northwest ISD
2001 TEXAN DR, JUSTIN
also serves Tarrant County and Wise County
Pre-K–124332,0982,260
(817) 215-0000
Little Elm ISD
400 LOBO LN, LITTLE ELM
Pre-K–12128,036565
(972) 947-9340
Argyle ISD
6701 CANYON FALLS DR, FLOWER MOUND
Pre-K–1286,166435
(940) 464-7241
Aubrey ISD
415 TISDELL LN, AUBREY
Pre-K–1284,480389
(940) 668-0060
Lake Dallas ISD
104 SWISHER RD, LAKE DALLAS
Pre-K–1253,717242
(940) 497-4039
Sanger ISD
601 ELM ST, SANGER
Pre-K–1262,880196
(940) 458-7438
Krum ISD
1200 BOBCAT BLVD, KRUM
also serves Wise County
Pre-K–1252,542151
(940) 435-7112
Ponder ISD
400 W BAILEY, PONDER
Pre-K–1241,719102
(940) 479-8200
Pilot Point ISD
829 S HARRISON ST, PILOT POINT
also serves Cooke County and Grayson County
Pre-K–1251,619125
(940) 686-8700

Denton County at a glance

Together the 11 districts run 200 schools from offices in 11 towns. The smallest by enrollment is Pilot Point ISD, with 1,619 students; the median Denton County district has 4,480. By grade span: 11 Pre-K–12.

Kindergarten in 2024–25, counting the 11 districts that report a K grade: 9,699 children. The biggest kindergarten was Lewisville ISD's, with 2,893; Denton ISD had 2,341, and the smallest, Ponder ISD, had 102.

Denton County holds 11 of Texas's 1,022 regular districts (1.1%) and 2.8% of its 5,108,224 public school students, ranking 12th of 253 counties by number of districts and 9th by enrollment. By size, 5 enroll 5,000 or more and 6 enroll 1,000 to 4,999, and the average school here has about 722 students.

4 districts reach past the county line: Lewisville ISD (into Tarrant County), Northwest ISD (into Tarrant County and Wise County), Krum ISD (into Wise County) and Pilot Point ISD (into Cooke County and Grayson County).

Which district am I in?

Each district draws its own attendance zones, so your home address decides it, and with 4 of Denton 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:

Lewisville ISD · Denton ISD · Northwest ISD · Little Elm ISD · Argyle ISD · Aubrey ISD · Lake Dallas ISD · Sanger ISD · Krum ISD · Ponder ISD · Pilot Point ISD

What grade will my child be in?

↓ Tap Calculate to see the grade
Most US states use a September 1 cutoff. Year-stamped for the 2026–27 school year.

More in Texas

Every Texas district by county · Texas kindergarten cutoff

More Texas county directories: Collin County (14) · Grayson County (13) · Harris County (19) · Nueces County (12) · Tarrant County (16) · Williamson County (11)

Sources

District list, grades, school counts and websites: NCES Common Core of Data (CCD) LEA Universe Directory, SY 2025-26 (preliminary, v0a), published July 1, 2026. Regular public districts only (NCES LEA types 1 and 2); charter-only, state-run and regional service agencies are not listed.
Enrollment: NCES CCD LEA Membership, SY 2024-25 (v1a), published December 29, 2025 — the newest year NCES has released.
Counties: NCES EDGE Public LEA Geocodes, SY 2024-25 (district office location) and NCES EDGE Geographic Relationship Files 2025 (grf25_lea_county) (counties each district boundary covers).
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