| Index | Washington | Missouri | National |
| Average Test Scores | 49% | 44% | 48% |
| Student/Teacher ratio | 15:1 | 14:1 | 16:1 |
| Total public schools | 7 | 1,899 | 79,221 |
| Total private schools | 5 | 531 | 24,874 |
| Total post-secondary schools | 1 | 213 | 7,963 |
| Index | Washington | Missouri | National |
| Completed 8th grade | 88.0% | 86.0% | 84.3% |
| Completed high school | 85.2% | 84.2% | 83.0% |
| Completed some college | 59.3% | 57.7% | 59.4% |
| Completed associate degree | 37.2% | 35.2% | 38.5% |
| Completed bachelors | 26.6% | 27.6% | 30.3% |
| Completed masters | 7.2% | 10.4% | 11.5% |
| Completed professional degree | 1.1% | 2.8% | 3.3% |
| Completed doctorate | 0.4% | 1.2% | 1.3% |
There are a total of 7 public schools, 5 private schools and 1 post-secondary schools in Washington. Using the proficiency score averages, the average test scores for Washington, MO schools is 49%. The average student to teacher ratio is 15:1. In Washington, MO, an average of 88.0% of students have completed 8th grade and an average of 85.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Augusta, MO | 284 | 57% | 18.8% |
| New Haven, MO | 2,819 | 56% | 16.9% |
| Union, MO | 11,931 | 49% | 3.0% |
| Villa Ridge, MO | 3,179 | 48% | = 100 |
| Marthasville, MO | 2,410 | 47% | 2.1% |
| Washington, MO | 14,052 | 49% | 1.0% |
| City | Population | Avg. Test Scores | National Avg. |
| Hammonton, NJ | 14,046 | 49% | 1.4% |
| Monroe, OH | 14,061 | 76% | 58.0% |
| Dumas, TX | 14,042 | 44% | 8.5% |
| Forrest City, AR | 14,062 | 17% | 64.0% |
| Miami Springs, FL | 14,041 | 61% | 27.8% |
| Washington, MO | 14,052 | 49% | 1.0% |
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