| Index | Dudley | Missouri | National |
| Average Test Scores | n/a | 44% | 48% |
| Student/Teacher ratio | n/a | 14:1 | 16:1 |
| Total public schools | n/a | 1,899 | 79,221 |
| Total private schools | n/a | 531 | 24,874 |
| Total post-secondary schools | n/a | 213 | 7,963 |
| Index | Dudley | Missouri | National |
| Completed 8th grade | 84.8% | 86.0% | 84.3% |
| Completed high school | 79.3% | 84.2% | 83.0% |
| Completed some college | 39.3% | 57.7% | 59.4% |
| Completed associate degree | 19.3% | 35.2% | 38.5% |
| Completed bachelors | 11.7% | 27.6% | 30.3% |
| Completed masters | 1.4% | 10.4% | 11.5% |
| Completed professional degree | 0.0% | 2.8% | 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 Dudley. Using the proficiency score averages, the average test scores for Dudley, MO schools is n/a. The average student to teacher ratio is n/a. In Dudley, MO, an average of 84.8% of students have completed 8th grade and an average of 79.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Essex, MO | 453 | 82% | 70.8% |
| Bloomfield, MO | 2,404 | 55% | 13.9% |
| Bernie, MO | 1,906 | 52% | 8.3% |
| Dexter, MO | 7,867 | 45% | 5.9% |
| Fisk, MO | 562 | 42% | 12.5% |
| Dudley, MO | 168 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Marshall, AK | 168 | 5% | 89.6% |
| Elgin, AZ | 168 | 40% | 17.7% |
| Randolph, KS | 168 | 30% | 37.5% |
| Burlington, OK | 168 | 50% | 4.2% |
| Richey, MT | 167 | 50% | 4.2% |
| Dudley, MO | 168 | n/a |
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