| Index | St. David | Arizona | National |
| Average Test Scores | 46% | 43% | 48% |
| Student/Teacher ratio | 15:1 | 18:1 | 16:1 |
| Total public schools | 2 | 1,863 | 79,221 |
| Total private schools | n/a | 316 | 24,874 |
| Total post-secondary schools | n/a | 148 | 7,963 |

| Index | St. David | Arizona | National |
| Completed 8th grade | 98.5% | 83.7% | 84.3% |
| Completed high school | 92.9% | 82.2% | 83.0% |
| Completed some college | 79.5% | 62.0% | 59.4% |
| Completed associate degree | 43.8% | 36.5% | 38.5% |
| Completed bachelors | 38.1% | 28.0% | 30.3% |
| Completed masters | 13.7% | 10.4% | 11.5% |
| Completed professional degree | 1.3% | 2.9% | 3.3% |
| Completed doctorate | 0.0% | 1.2% | 1.3% |
There are a total of 2 public schools, n/a private schools and n/a post-secondary schools in St. David. Using the proficiency score averages, the average test scores for St. David, AZ schools is 46%. The average student to teacher ratio is 15:1. In St. David, AZ, an average of 98.5% of students have completed 8th grade and an average of 92.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Benson, AZ | 4,989 | 55% | 13.5% |
| Tombstone, AZ | 1,238 | 41% | 13.9% |
| St. David, AZ | 1,527 | 46% | 4.9% |
| City | Population | Avg. Test Scores | National Avg. |
| Pinconning, MI | 1,527 | 45% | 7.3% |
| Bedford, IA | 1,527 | 82% | 70.8% |
| Crane, MO | 1,528 | 31% | 35.9% |
| Conway Springs, KS | 1,526 | 37% | 22.6% |
| Island Heights, NJ | 1,526 | 77% | 60.4% |
| St. David, AZ | 1,527 | 46% | 4.9% |