| Index | Fenton | Missouri | National |
| Average Test Scores | 58% | 44% | 48% |
| Student/Teacher ratio | 16:1 | 14:1 | 16:1 |
| Total public schools | 7 | 1,899 | 79,221 |
| Total private schools | 3 | 531 | 24,874 |
| Total post-secondary schools | 3 | 213 | 7,963 |
| Index | Fenton | Missouri | National |
| Completed 8th grade | 91.4% | 86.0% | 84.3% |
| Completed high school | 90.8% | 84.2% | 83.0% |
| Completed some college | 73.7% | 57.7% | 59.4% |
| Completed associate degree | 49.0% | 35.2% | 38.5% |
| Completed bachelors | 39.7% | 27.6% | 30.3% |
| Completed masters | 12.5% | 10.4% | 11.5% |
| Completed professional degree | 2.5% | 2.8% | 3.3% |
| Completed doctorate | 0.5% | 1.2% | 1.3% |
There are a total of 7 public schools, 3 private schools and 3 post-secondary schools in Fenton. Using the proficiency score averages, the average test scores for Fenton, MO schools is 58%. The average student to teacher ratio is 16:1. In Fenton, MO, an average of 91.4% of students have completed 8th grade and an average of 90.8% 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% |
| Weldon Spring, MO | 5,688 | 70% | 45.5% |
| Olivette, MO | 8,079 | 70% | 44.8% |
| Chesterfield, MO | 48,902 | 69% | 43.2% |
| Fenton, MO | 4,138 | 58% | 20.4% |
| City | Population | Avg. Test Scores | National Avg. |
| Danielson, CT | 4,138 | 36% | 25.0% |
| Ely, NV | 4,138 | 33% | 30.4% |
| Barclay, NJ | 4,138 | 80% | 65.6% |
| Madill, OK | 4,137 | 31% | 34.7% |
| Eldorado, IL | 4,141 | 24% | 49.7% |
| Fenton, MO | 4,138 | 58% | 20.4% |
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