| Index | Poston | Arizona | National |
| Average Test Scores | n/a | 43% | 48% |
| Student/Teacher ratio | n/a | 18:1 | 16:1 |
| Total public schools | n/a | 1,863 | 79,221 |
| Total private schools | n/a | 316 | 24,874 |
| Total post-secondary schools | n/a | 148 | 7,963 |
| Index | Poston | Arizona | National |
| Completed 8th grade | 52.1% | 83.7% | 84.3% |
| Completed high school | 52.1% | 82.2% | 83.0% |
| Completed some college | 22.5% | 62.0% | 59.4% |
| Completed associate degree | 0.0% | 36.5% | 38.5% |
| Completed bachelors | 0.0% | 28.0% | 30.3% |
| Completed masters | 0.0% | 10.4% | 11.5% |
| Completed professional degree | 0.0% | 2.9% | 3.3% |
| Completed doctorate | 0.0% | 1.2% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Poston. Using the proficiency score averages, the average test scores for Poston, AZ schools is n/a. The average student to teacher ratio is n/a. In Poston, AZ, an average of 52.1% of students have completed 8th grade and an average of 52.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Parker, AZ | 3,174 | 29% | 39.8% |
| Poston, AZ | 186 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Atlanta, LA | 186 | 55% | 13.5% |
| Spray, OR | 186 | 40% | 16.7% |
| Centerville, MO | 186 | 40% | 16.7% |
| Morristown, AZ | 187 | 30% | 38.5% |
| Markleeville, CA | 187 | 50% | 4.2% |
| Poston, AZ | 186 | n/a |
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