| Index | Laddonia | Missouri | National |
| Average Test Scores | 37% | 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 | Laddonia | Missouri | National |
| Completed 8th grade | 81.1% | 86.0% | 84.3% |
| Completed high school | 76.6% | 84.2% | 83.0% |
| Completed some college | 36.7% | 57.7% | 59.4% |
| Completed associate degree | 10.5% | 35.2% | 38.5% |
| Completed bachelors | 8.7% | 27.6% | 30.3% |
| Completed masters | 3.1% | 10.4% | 11.5% |
| Completed professional degree | 0.5% | 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 Laddonia. Using the proficiency score averages, the average test scores for Laddonia, MO schools is 37%. The average student to teacher ratio is n/a. In Laddonia, MO, an average of 81.1% of students have completed 8th grade and an average of 76.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Mexico, MO | 11,535 | 39% | 19.8% |
| Vandalia, MO | 3,903 | 38% | 20.3% |
| Wellsville, MO | 1,149 | 35% | 28.1% |
| Laddonia, MO | 579 | 37% | 22.9% |
| City | Population | Avg. Test Scores | National Avg. |
| Ullin, IL | 579 | 10% | 78.6% |
| LeRoy, KS | 579 | 30% | 37.5% |
| West Valley, NY | 579 | 47% | 2.1% |
| Pryor, MT | 579 | 30% | 37.5% |
| Coulee City, WA | 579 | 63% | 30.2% |
| Laddonia, MO | 579 | 37% | 22.9% |
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