County directory · Arizona · 2026–27

School districts in Apache County, AZ

Apache County has 11 regular public school districts, enrolling 9,259 students in 2024–25. The largest is Chinle Unified District (4158) (2,910 students, 31% of the county), followed by Window Rock Unified District (4154) and Round Valley Unified District (4155). All 11 offer kindergarten. Arizona's kindergarten cutoff: turn 5 by August 31.

The 11 districts, largest first

School districts in Apache County, AZ by 2024–25 enrollment
District and officeGradesSchoolsStudentsKindergartenDistrict office contact
Chinle Unified District (4158)
Navajo Rte 7 & State Hwy 191, Chinle
Pre-K–1282,910176
(928) 674-9600
Window Rock Unified District (4154)
Navajo Rte 12, Fort Defiance
Pre-K–1271,705113
(928) 729-6706
Round Valley Unified District (4155)
940 E MARICOPA DR UNIT B, SPRINGERVILLE
Pre-K–1251,23784
(928) 333-6580
Ganado Unified School District (4157)
Hwy 264, Ganado
Pre-K–12498060
(928) 755-1000
St Johns Unified District (4153)
450 S 13th W, St Johns
Pre-K–12487060
(928) 337-2255
Sanders Unified District (4156)
I-40 Hwy 191, Sanders
Pre-K–12462448
(855) 678-7873
Red Mesa Unified District (4159)
Hwy 160 - 22 miles W of 4 Corn, Teec Nos Pos
Pre-K–12542724
(928) 656-4100
Mcnary Elementary District (4163)
Corner of Spruce & Cooley, McNary
Pre-K–8118320
No website listed by NCES (2025–26)
(928) 334-2293
Vernon Elementary District (4162)
90 CRN 3139, Vernon
Pre-K–8113823
(928) 537-5463
Concho Elementary District (4160)
Hwy 61 and Cinder Rd, Concho
Pre-K–8112913
(928) 337-4665
Alpine Elementary District (4161)
County Rd 2052 #11, Alpine
K–81566
(928) 339-4570

Apache County at a glance

Together the 11 districts run 41 schools from offices in 11 towns. The smallest by enrollment is Alpine Elementary District (4161), with 56 students; the median Apache County district has 624. By grade span: 7 Pre-K–12, 3 Pre-K–8 and 1 K–8.

Kindergarten in 2024–25, counting the 11 districts that report a K grade: 627 children. The biggest kindergarten was Chinle Unified District (4158)'s, with 176; Window Rock Unified District (4154) had 113, and the smallest, Alpine Elementary District (4161), had 6.

Apache County holds 11 of Arizona's 223 regular districts (4.9%) and 1.1% of its 869,299 public school students, ranking 8th of 15 counties by number of districts and 11th by enrollment. By size, 3 enroll 1,000 to 4,999 and 8 have fewer than 1,000 students, and the average school here has about 226 students.

Which district am I in?

Each district draws its own attendance zones, so your home address decides it. There is no address lookup here; ask the district. 1 of the 11 have no website on file with NCES; their office phone numbers are in the table. Websites for the rest:

Chinle Unified District (4158) · Window Rock Unified District (4154) · Round Valley Unified District (4155) · Ganado Unified School District (4157) · St Johns Unified District (4153) · Sanders Unified District (4156) · Red Mesa Unified District (4159) · Vernon Elementary District (4162) · Concho Elementary District (4160) · Alpine Elementary District (4161)

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 Arizona

Every Arizona district by county · Arizona kindergarten cutoff

More Arizona county directories: Cochise County (22) · Maricopa County (56) · Mohave County (13) · Navajo County (12) · Pima County (17) · Pinal County (19)

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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