County directory · Texas · 2026–27

School districts in Grayson County, TX

Grayson County has 13 regular public school districts, enrolling 25,810 students in 2024–25. The largest is Sherman ISD (7,788 students, 30% of the county), followed by Denison ISD and Van Alstyne ISD. All 13 offer kindergarten. Texas's kindergarten cutoff: turn 5 by September 1.

The 13 districts, largest first

School districts in Grayson County, TX by 2024–25 enrollment
District and officeGradesSchoolsStudentsKindergartenDistrict office contact
Sherman ISD
2701 N LOY LAKE RD, SHERMAN
Pre-K–12167,788519
(903) 891-6400
Denison ISD
1201 S RUSK AVE, DENISON
Pre-K–1294,977364
(903) 462-7000
Van Alstyne ISD
1096 N WACO, VAN ALSTYNE
also serves Collin County
Pre-K–1252,612177
(903) 482-8802
Whitesboro ISD
115 FOURTH ST, WHITESBORO
also serves Cooke County
Pre-K–1241,802115
(903) 564-4200
Pottsboro ISD
1401 KATY LN, POTTSBORO
Pre-K–1231,453104
(903) 771-0083
Howe ISD
105 W TUTT ST, HOWE
Pre-K–1251,26578
(903) 745-4000
Gunter ISD
213 N PRESTON RD, GUNTER
Pre-K–1231,15669
(903) 433-4750
Bells ISD
1550 OLE AMBROSE RD, BELLS
Pre-K–1231,00760
(903) 965-3600
S and S CISD
#1 RAM DR, SADLER
Pre-K–12494454
(903) 564-6051
Whitewright ISD
315A HIGHLAND DR, WHITEWRIGHT
also serves Collin County and Fannin County
Pre-K–12380152
(903) 364-2155
Tom Bean ISD
100 E GARNER, TOM BEAN
Pre-K–12374140
(903) 546-6076
Tioga ISD
855 MCKNIGHT RD, TIOGA
Pre-K–12166433
(940) 202-2536
Collinsville ISD
503 REEVES, COLLINSVILLE
also serves Cooke County
Pre-K–12260047
(903) 429-6272

Grayson County at a glance

Together the 13 districts run 61 schools from offices in 13 towns. The smallest by enrollment is Collinsville ISD, with 600 students; the median Grayson County district has 1,156. By grade span: 13 Pre-K–12.

Kindergarten in 2024–25, counting the 13 districts that report a K grade: 1,712 children. The biggest kindergarten was Sherman ISD's, with 519; Denison ISD had 364, and the smallest, Tioga ISD, had 33.

Grayson County holds 13 of Texas's 1,022 regular districts (1.3%) and 0.5% of its 5,108,224 public school students, ranking 8th of 253 counties by number of districts and 36th by enrollment. By size, 1 enroll 5,000 or more, 7 enroll 1,000 to 4,999 and 5 have fewer than 1,000 students, and the average school here has about 423 students.

4 districts reach past the county line: Van Alstyne ISD (into Collin County), Whitesboro ISD (into Cooke County), Whitewright ISD (into Collin County and Fannin County) and Collinsville ISD (into Cooke County).

Which district am I in?

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

Sherman ISD · Denison ISD · Van Alstyne ISD · Whitesboro ISD · Pottsboro ISD · Howe ISD · Gunter ISD · Bells ISD · S and S CISD · Whitewright ISD · Tom Bean ISD · Tioga ISD · Collinsville 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) · Dallas County (15) · Harris County (19) · Hidalgo County (16) · Nueces County (12) · 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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