| District | City | Rating | Students | Schools | Grades | Zip Codes |
|---|---|---|---|---|---|---|
| Amphitheater Unified District | Tucson | 7/10 Good · 67th pct | 12,042 | 22 | PK–12 | 1 |
| J. O. Combs Unified School District | San Tan Valley | 4/10 Below Average · 39th pct | 4,401 | 10 | PK–12 | 1 |
| Red Rock Elementary District | RED ROCK | 4/10 Below Average · 36th pct | 445 | 1 | PK–8 | 0 |
| Maricopa Unified School District | Maricopa | 4/10 Below Average · 35th pct | 8,731 | 13 | PK–12 | 2 |
| Oracle Elementary District | Oracle | 4/10 Below Average · 34th pct | 399 | 1 | PK–8 | 1 |
| Apache Junction Unified District | Gold Canyon | 4/10 Below Average · 31st pct | 3,021 | 5 | PK–12 | 3 |
| Florence Unified School District | Florence | 3/10 Below Average · 29th pct | 9,090 | 14 | PK–12 | 2 |
| Casa Grande Union High School District | Bapchule | 3/10 Below Average · 28th pct | 4,002 | 3 | 9–12 | 6 |
| Casa Grande Elementary District | CASA GRANDE | 2/10 Poor · 16th pct | 6,579 | 14 | PK–8 | 0 |
| Eloy Elementary District | ELOY | 2/10 Poor · 13th pct | 787 | 3 | PK–8 | 0 |
| Ray Unified District | Kearny | 2/10 Poor · 12th pct | 373 | 2 | PK–12 | 2 |
| Superior Unified School District | Superior | 2/10 Poor · 12th pct | 335 | 2 | PK–12 | 1 |
| Coolidge Unified District | Coolidge | 2/10 Poor · 11th pct | 2,585 | 6 | PK–12 | 2 |
| Mammoth-San Manuel Unified District | San Manuel | 2/10 Poor · 11th pct | 534 | 3 | PK–12 | 2 |
| Stanfield Elementary District | STANFIELD | 1/10 Poor · 7th pct | 403 | 1 | PK–8 | 0 |
| Toltec Elementary District | ELOY | 1/10 Poor · 5th pct | 1,133 | 3 | PK–12 | 0 |
| Santa Cruz Valley Union High School District | Arizona City | 1/10 Poor · 4th pct | 360 | 2 | 9–12 | 4 |
| Sacaton Elementary District | SACATON | 1/10 Poor · 3rd pct | 447 | 2 | PK–8 | 0 |
How Pinal County compares
Together they enroll 55,667 students across 107 schools. The largest is Amphitheater Unified District with 12,042 students. Districts here average 2.7/10, below the Arizona average of 4.6/10. Ratings range from 1/10 to 7/10.
School Districts in Pinal County, Arizona
Pinal County has 18 public school districts covering 27 zip codes. The top-rated district in Pinal County is Amphitheater Unified District (7/10). Ratings are based on the share of students proficient in reading and math on state assessments (AASA 2025), ranked against all districts in Arizona. Directory details come from NCES CCD 2024–25.
Enter your zip code on any page to confirm your exact district assignment — district boundaries are address-specific and may not follow county or city lines.
Frequently Asked Questions
How many school districts are in Pinal County, AZ?
18 school districts serve zip codes in Pinal County, AZ. This page lists each one with its rating, enrollment, grade span and the zip codes it covers.
What is the best-rated school district in Pinal County, AZ?
Of the districts serving Pinal County, Amphitheater Unified District has the highest rating on this site at 7/10. That places it in the 67th percentile among Arizona school districts.
How are these school district ratings calculated?
Each rating is the share of students scoring proficient or above on Arizona reading and math assessments, ranked against other districts in Arizona and converted to a 1–10 scale. Percentiles compare districts within Arizona only, never across state lines.