📊 Data: NCES CCD 2024–2025·🔄 Updated: August 2026·Editorial standards
📍 Duncan, AZ · Greenlee County

Duncan Unified District

Grades Pre-K – 12th · 395 students · 2 schools · 2 zip codes

4
out of 10 Rating Below Average
State reading & math proficiency · 35th percentile among Arizona districts. Ranked within Arizona only — not comparable across states.
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School District · Arizona
Duncan Unified District
📍 Duncan, AZ · Greenlee County · NCES LEAID 0402600
4/10
Rating
395
Students
2
Schools
Pre-K – 12th
Grade Span
2
Zip Codes

District Contact & Information

Source: NCES CCD 2024–25
📚
Grades Served
Pre-K – 12th
📞
District Phone
📍
District Mailing Address
PO BOX 710, DUNCAN, AZ 85534
🎓
Enrollment
395 students
🏫
Schools
2
🏷
NCES District ID (LEAID)
0402600
🏛
District Type
Public School District

Schools in Duncan Unified District

2 schools listed
SchoolLevelGradesStudentsCity
Duncan High SchoolHigh9th – 12th113Duncan
Duncan ElementaryOtherPre-K – 8th256Duncan

Zip Codes Served by Duncan Unified District

2 zip codes
Zip CodeCityCountyState
85534DuncanGreenlee CountyAZ
85540MorenciAZ

Frequently Asked Questions

What zip codes are in Duncan Unified District?
Duncan Unified District serves 2 zip codes: 85534, 85540. Zip codes and district boundaries do not line up exactly, so confirm your exact address with the district office before you rely on an assignment.
How is Duncan Unified District rated?
Duncan Unified District has an overall rating of 4 out of 10 (Below Average), based on the share of students proficient in reading and math on state assessments (AASA 2025). That places it in the 35th percentile among Arizona school districts. Ratings are percentile-ranked within Arizona only and are not comparable across states.
How many students attend Duncan Unified District?
The NCES Common Core of Data directory reports enrollment of 395 students across 2 schools for Duncan Unified District.
What grades does Duncan Unified District serve?
Duncan Unified District is listed in the NCES directory as serving grades Pre-K – 12th.
What schools are in Duncan Unified District?
NCES lists 2 schools operating under Duncan Unified District: 1 high, 1 other or combined. Each school's grade span, enrollment and city are listed on this page. Attendance zones are set by the district and a school on this list is not necessarily the one your address is assigned to.
How do I contact Duncan Unified District?
You can reach Duncan Unified District by phone at (928)359-2472 or by mail at PO BOX 710, DUNCAN, AZ 85534. Contact details come from the NCES district directory and are the best way to confirm which school your address is assigned to.

About Duncan Unified District

Duncan Unified District is a public school district serving 2 zip codes in Arizona, primarily in Greenlee County. It carries an overall rating of 4/10 (Below Average), the 35th percentile among Arizona districts. That rating reflects the share of students proficient in reading and math on state assessments (AASA 2025) and is ranked only against other Arizona districts — scores are not comparable between states. Directory details on this page come from the NCES Common Core of Data, 2024–25.

Schools in this district

NCES lists 2 schools operating under Duncan Unified District — 1 high and 1 other or combined. The largest by enrollment is Duncan Elementary with 256 students. School-level enrollment comes from the NCES Common Core of Data school directory; a school with no reported enrollment is shown with a dash rather than a zero.

Checking your own address

District boundaries are address-specific and do not follow zip code lines exactly — a single zip code can be split between two or more districts. Use the zip codes listed above as a starting point, then confirm your assignment with the district office at (928)359-2472 before making a housing decision.

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