Tucson Unified District had the highest enrollment among Pima County districts, welcoming 40,209 students during the 2024-25 academic year, according to the Arizona Department of Education.
Of all the students welcomed in the 2024-25 school year, 51.2% were boys, and 48.8% were girls.
Data also showed that the majority of students in Tucson Unified District were Latino, representing 65.3% of the total enrollment.
Among the 15 districts in Pima County, Vail Unified District ranked second in enrollment numbers with 14,941 students, while Sunnyside Unified District welcomed 13,962 students and ranked third in the 2024-25 school year.
Tucson Unified District roughly covers schools within Pima County and has a main office in Tucson.
In the previous school year, Tucson Unified District also had the highest number of students among Pima County districts.
Arizona ranks dead last in educational success among U.S. states, according to World Population Review, which graded states based on K–12 performance, funding, higher education, and safety.
Arizona’s K-12 enrollment is shifting amid a declining school-aged population, projected to drop by 40,000 by 2028, according to the Common Sense Institute.
| District | City (Main Office) | Total Enrollment |
|---|---|---|
| Tucson Unified District | Tucson | 40,209 |
| Vail Unified District | Vail | 14,941 |
| Sunnyside Unified District | Tucson | 13,962 |
| Marana Unified District | Marana | 12,824 |
| Amphitheater Unified District | Tucson | 11,256 |
| Sahuarita Unified District | Sahuarita | 6,327 |
| Academy of Mathematics and Science South, Inc. | Tucson | 6,154 |
| Flowing Wells Unified District | Tucson | 5,201 |
| Catalina Foothills Unified District | Tucson | 5,085 |
| Leman Academy of Excellence, Inc. | Tucson | 4,592 |
| Tanque Verde Unified District | Tucson | 2,211 |
| Pima County Accommodation School District | Tucson | 2,043 |
| Arizona Community Development Corporation | Tucson | 1,983 |
| Legacy Traditional School – Northwest Tucson | Tucson | 1,283 |
| Baboquivari Unified School District #40 | Sells | 1,014 |
| Daisy Education Corporation dba Sonoran Science Academy | Tucson | 753 |
| BASIS Charter Schools, Inc. | Tucson | 752 |
| Math and Science Success Academy, Inc. | Tucson | 743 |
| Portable Practical Educational Preparation, Inc. (PPEP, Inc.) | Tucson | 728 |
| Academy Del Sol, Inc. | Tucson | 728 |
| Continental Elementary District | Green Valley | 643 |
| Eastpointe High School, Inc. | Tucson | 600 |
| Academy of Mathematics and Science, Inc. | Tucson | 576 |
| Tucson Country Day School, Inc. | Tucson | 512 |
| Altar Valley Elementary District | Tucson | 477 |
| Daisy Education Corporation dba Sonoran Science Academy East | Tucson | 467 |
| Compass High School, Inc. | Tucson | 446 |
| Pima Rose Academy, Inc. | Tucson | 442 |
| Academy of Tucson, Inc. | Tucson | 433 |
| Tucson International Academy, Inc. | Tucson | 401 |
| Ajo Unified District | Ajo | 397 |
| Tucson Youth Development/ACE Charter High School | Tucson | 394 |
| Southgate Academy, Inc. | Tucson | 364 |
| Presidio School | Tucson | 344 |
| Nosotros, Inc. | Tucson | 320 |
| Canyon Rose Academy, Inc. | Tucson | 298 |
| CITY Center for Collaborative Learning | Tucson | 290 |
| Science Technology Engineering and Math Arizona | Tucson | 264 |
| Khalsa Family Services | Tucson | 238 |
| Hermosa Montessori Charter School | Tucson | 230 |
| Aprender Tucson | Tucson | 227 |
| Great Expectations Academy | Sahuarita | 176 |
| Mountain Rose Academy, Inc. | Tucson | 170 |
| Colearn Academy Arizona | Green Valley | 168 |
| Desert Rose Academy,Inc. | Tucson | 147 |
| Edge School, Inc., the | Tucson | 147 |
| Educational Impact, Inc. | Tucson | 140 |
| Pima Prevention Partnership | Tucson | 139 |
| Montessori Schoolhouse of Tucson, Inc. | Tucson | 134 |
| CPLC Community Schools dba Toltecalli High School | Tucson | 124 |
| Satori, Inc. | Tucson | 97 |
| Griffin Foundation, Inc. the | Tucson | 93 |
| Southern Arizona Community Academy, Inc. | Tucson | 89 |
| CPLC Community Schools dba Hiaki High School | Tucson | 89 |
| Desert Sage School | Tucson | 88 |
| Pima Prevention Partnership dba Pima Partnership School, the | Tucson | 85 |
| Tucson Preparatory School | Tucson | 78 |
| Blue Adobe Project | Tucson | 60 |
| Carden of Tucson, Inc. | Tucson | 57 |
| Ha:san Educational Services | Tucson | 55 |
| Online School of Arizona | Tucson | 45 |
| StrengthBuilding Partners | Tucson | 40 |
| Desert Sky Community School, Inc. | Tucson | 38 |
| Pima Prevention Partnership dba Pima Partnership Academy | Tucson | 34 |
| Highland Free School | Tucson | 31 |
| Education Ahead | Tucson | 25 |
| San Fernando Elementary District | Sasabe | — |
