| Index | Prosser | Washington | National |
| Average Test Scores | 42% | 54% | 48% |
| Student/Teacher ratio | 22:1 | 20:1 | 16:1 |
| Total public schools | 6 | 1,991 | 79,221 |
| Total private schools | n/a | 548 | 24,874 |
| Total post-secondary schools | n/a | 147 | 7,963 |
| Index | Prosser | Washington | National |
| Completed 8th grade | 77.3% | 87.5% | 84.3% |
| Completed high school | 75.4% | 86.6% | 83.0% |
| Completed some college | 55.8% | 67.7% | 59.4% |
| Completed associate degree | 29.1% | 43.3% | 38.5% |
| Completed bachelors | 22.3% | 33.6% | 30.3% |
| Completed masters | 9.3% | 12.3% | 11.5% |
| Completed professional degree | 0.6% | 3.6% | 3.3% |
| Completed doctorate | 0.3% | 1.5% | 1.3% |
There are a total of 6 public schools, n/a private schools and n/a post-secondary schools in Prosser. Using the proficiency score averages, the average test scores for Prosser, WA schools is 42%. The average student to teacher ratio is 22:1. In Prosser, WA, an average of 77.3% of students have completed 8th grade and an average of 75.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Sunnyside, WA | 17,266 | 45% | 6.4% |
| Grandview, WA | 11,346 | 45% | 6.9% |
| Benton City, WA | 3,515 | 31% | 35.1% |
| Mabton, WA | 2,261 | 19% | 60.9% |
| Prosser, WA | 6,439 | 42% | 12.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Woodland, WA | 6,439 | 51% | 6.6% |
| Walker, LA | 6,440 | 77% | 61.2% |
| Solvay, NY | 6,437 | 65% | 34.4% |
| Vine Grove, KY | 6,443 | 58% | 20.8% |
| Ocean Shores, WA | 6,432 | 41% | 15.6% |
| Prosser, WA | 6,439 | 42% | 12.2% |
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