| Index | Theodosia | Missouri | National |
| Average Test Scores | 23% | 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 | Theodosia | Missouri | National |
| Completed 8th grade | 82.3% | 86.0% | 84.3% |
| Completed high school | 82.3% | 84.2% | 83.0% |
| Completed some college | 33.1% | 57.7% | 59.4% |
| Completed associate degree | 13.1% | 35.2% | 38.5% |
| Completed bachelors | 8.5% | 27.6% | 30.3% |
| Completed masters | 0.0% | 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 Theodosia. Using the proficiency score averages, the average test scores for Theodosia, MO schools is 23%. The average student to teacher ratio is n/a. In Theodosia, MO, an average of 82.3% of students have completed 8th grade and an average of 82.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Gainesville, MO | 584 | 48% | 0.5% |
| Lead Hill, AR | 244 | 41% | 15.1% |
| Theodosia, MO | 116 | 23% | 53.1% |
| City | Population | Avg. Test Scores | National Avg. |
| Eagle, MI | 116 | 52% | 7.3% |
| Bena, MN | 116 | 7% | 86.5% |
| Pomaria, SC | 116 | 50% | 3.1% |
| Long Island, KS | 116 | 20% | 58.3% |
| West Elkton, OH | 116 | 62% | 28.1% |
| Theodosia, MO | 116 | 23% | 53.1% |
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