| Index | Jennings | Missouri | National |
| Average Test Scores | 27% | 44% | 48% |
| Student/Teacher ratio | 17:1 | 14:1 | 16:1 |
| Total public schools | 7 | 1,899 | 79,221 |
| Total private schools | n/a | 531 | 24,874 |
| Total post-secondary schools | n/a | 213 | 7,963 |


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| Index | Jennings | Missouri | National |
| Completed 8th grade | 76.6% | 86.0% | 84.3% |
| Completed high school | 74.9% | 84.2% | 83.0% |
| Completed some college | 48.3% | 57.7% | 59.4% |
| Completed associate degree | 21.3% | 35.2% | 38.5% |
| Completed bachelors | 10.0% | 27.6% | 30.3% |
| Completed masters | 2.9% | 10.4% | 11.5% |
| Completed professional degree | 0.3% | 2.8% | 3.3% |
| Completed doctorate | 0.2% | 1.2% | 1.3% |
There are a total of 7 public schools, n/a private schools and n/a post-secondary schools in Jennings. Using the proficiency score averages, the average test scores for Jennings, MO schools is 27%. The average student to teacher ratio is 17:1. In Jennings, MO, an average of 76.6% of students have completed 8th grade and an average of 74.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Clayton, MO | 17,205 | 73% | 52.7% |
| Brentwood, MO | 8,283 | 70% | 45.6% |
| Olivette, MO | 8,079 | 70% | 44.8% |
| Kirkwood, MO | 28,511 | 69% | 43.1% |
| Webster Groves, MO | 23,373 | 64% | 32.8% |
| Jennings, MO | 15,259 | 27% | 43.6% |
| City | Population | Avg. Test Scores | National Avg. |
| Hobe Sound, FL | 15,254 | 59% | 21.9% |
| Mount Vernon, IL | 15,250 | 28% | 40.9% |
| Tonawanda, NY | 15,243 | 51% | 7.2% |
| Bradley Gardens, NJ | 15,283 | 81% | 68.2% |
| El Sobrante, CA | 15,231 | 37% | 23.8% |
| Jennings, MO | 15,259 | 27% | 43.6% |