| Index | Hannibal | Missouri | National |
| Average Test Scores | 49% | 44% | 48% |
| Student/Teacher ratio | 11:1 | 14:1 | 16:1 |
| Total public schools | 10 | 1,899 | 79,221 |
| Total private schools | 2 | 531 | 24,874 |
| Total post-secondary schools | 2 | 213 | 7,963 |


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| Index | Hannibal | Missouri | National |
| Completed 8th grade | 82.2% | 86.0% | 84.3% |
| Completed high school | 80.2% | 84.2% | 83.0% |
| Completed some college | 48.2% | 57.7% | 59.4% |
| Completed associate degree | 25.2% | 35.2% | 38.5% |
| Completed bachelors | 20.0% | 27.6% | 30.3% |
| Completed masters | 5.9% | 10.4% | 11.5% |
| Completed professional degree | 2.0% | 2.8% | 3.3% |
| Completed doctorate | 1.0% | 1.2% | 1.3% |
There are a total of 10 public schools, 2 private schools and 2 post-secondary schools in Hannibal. Using the proficiency score averages, the average test scores for Hannibal, MO schools is 49%. The average student to teacher ratio is 11:1. In Hannibal, MO, an average of 82.2% of students have completed 8th grade and an average of 80.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Frankford, MO | 464 | 70% | 45.8% |
| Palmyra, MO | 3,744 | 47% | 1.7% |
| Center, MO | 485 | 46% | 5.2% |
| Kinderhook, IL | 316 | 27% | 43.8% |
| Payson, IL | 1,427 | 25% | 49.0% |
| Hannibal, MO | 17,980 | 49% | 2.3% |
| City | Population | Avg. Test Scores | National Avg. |
| Palmview, TX | 17,983 | 50% | 4.2% |
| Manassas Park, VA | 17,985 | 73% | 52.1% |
| Iselin, NJ | 17,973 | 61% | 26.3% |
| South Houston, TX | 17,971 | 39% | 19.0% |
| Anoka, MN | 17,962 | 57% | 17.9% |
| Hannibal, MO | 17,980 | 49% | 2.3% |