Notable School Districts in Arizona

This directory-style roundup highlights 50 school districts in Arizona, selected from available COSMIQ profiles with enrollment data. The order reflects reported enrollment as a rough measure of institution size—not educational quality, outcomes, or endorsement. Enrollment figures are intentionally not shown.

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Institutions

Mesa Unified District (4235) — MESA, Arizona.
Chandler Unified District #80 (4242) — CHANDLER, Arizona.
Tucson Unified District (4403) — TUCSON, Arizona.
Peoria Unified School District (4237) — PEORIA, Arizona.
Gilbert Unified District (4239) — GILBERT, Arizona.
Deer Valley Unified District (4246) — PHOENIX, Arizona.
Paradise Valley Unified District (4241) — PHOENIX, Arizona.
Phoenix Union High School District (4286) — PHOENIX, Arizona.
Dysart Unified District (4243) — SURPRISE, Arizona.
Scottsdale Unified District (4240) — SCOTTSDALE, Arizona.
Washington Elementary School District (4260) — GLENDALE, Arizona.
Glendale Union High School District (4285) — GLENDALE, Arizona.
Sunnyside Unified District (4407) — TUCSON, Arizona.
Vail Unified District (4413) — VAIL, Arizona.
Kyrene Elementary District (4267) — TEMPE, Arizona.
Cartwright Elementary District (4282) — PHOENIX, Arizona.
Queen Creek Unified District (4245) — QUEEN CREEK, Arizona.
Tolleson Union High School District (4288) — TOLLESON, Arizona.
American Leadership Academy Inc. (4348) — MESA, Arizona.
Higley Unified School District (4248) — GILBERT, Arizona.
Marana Unified District (4404) — MARANA, Arizona.
Tempe Union High School District (4287) — TEMPE, Arizona.
Amphitheater Unified District (4406) — TUCSON, Arizona.
Yuma Union High School District (4507) — YUMA, Arizona.
Litchfield Elementary District (4281) — Litchfield Park, Arizona.
Tempe School District (4258) — TEMPE, Arizona.
Alhambra Elementary District (4280) — PHOENIX, Arizona.
Agua Fria Union High School District (4289) — AVONDALE, Arizona.
Glendale Elementary District (4271) — GLENDALE, Arizona.
Yuma Elementary District (4499) — YUMA, Arizona.
Florence Unified School District (4437) — FLORENCE, Arizona.
Flagstaff Unified District (4192) — FLAGSTAFF, Arizona.
Maricopa Unified School District (4441) — MARICOPA, Arizona.
Pendergast Elementary District (4283) — PHOENIX, Arizona.
Laveen Elementary District (4276) — LAVEEN, Arizona.
Roosevelt Elementary District (4279) — PHOENIX, Arizona.
Kingman Unified School District (79598) — KINGMAN, Arizona.
Casa Grande Elementary District (4446) — CASA GRANDE, Arizona.
Sahuarita Unified District (4411) — SAHUARITA, Arizona.
American Virtual Academy (79461) — Chandler, Arizona.
Portable Practical Educational Preparation Inc. ( (87405) — PHOENIX, Arizona.
Crane Elementary District (4501) — YUMA, Arizona.
Avondale Elementary District (4272) — AVONDALE, Arizona.
Littleton Elementary District (4278) — CASHION, Arizona.
Madison Elementary District (4270) — PHOENIX, Arizona.
Academy of Mathematics and Science South Inc. (90878) — TUCSON, Arizona.
Buckeye Elementary District (4269) — BUCKEYE, Arizona.
Nogales Unified District (4457) — NOGALES, Arizona.
Humboldt Unified District (4469) — Prescott Valley, Arizona.
Lake Havasu Unified District (4368) — Lake Havasu City, Arizona.

Selection and source notes

This list covers public K–12 district profiles. District names may describe city, county, or regional systems.

COSMIQ district profiles, based on NCES Common Core of Data. The source years recorded for these district enrollment records are 2017–18; these are historical estimates, not current counts.

Source references: COSMIQ district profiles; National Center for Education Statistics, Common Core of Data (CCD).

The article includes 50 profiles from the largest available enrollment estimates in this category. This is a size-based selection, not a “best schools” or academic-quality ranking.

Editorial note: COSMIQ has not independently evaluated or endorsed the listed institutions. Profile availability and source years vary; readers should consult each institution for current details.