| 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 |
| 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 | 16,763 | 73% | 52.7% |
| Brentwood, MO | 7,986 | 70% | 45.6% |
| Olivette, MO | 7,837 | 70% | 44.8% |
| Kirkwood, MO | 27,772 | 69% | 43.1% |
| Webster Groves, MO | 22,906 | 64% | 32.8% |
| Jennings, MO | 14,672 | 27% | 43.6% |
| City | Population | Avg. Test Scores | National Avg. |
| Hampton Bays, NY | 14,684 | 57% | 19.1% |
| Scottsbluff, NE | 14,660 | 49% | 1.2% |
| Hereford, TX | 14,692 | 37% | 22.9% |
| Carthage, MO | 14,699 | 44% | 9.2% |
| Mount Washington, KY | 14,699 | 56% | 15.6% |
| Jennings, MO | 14,672 | 27% | 43.6% |
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