| Index | Byrnes Mill | Missouri | National |
| Average Test Scores | n/a | 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 | Byrnes Mill | Missouri | National |
| Completed 8th grade | 85.3% | 86.0% | 84.3% |
| Completed high school | 83.5% | 84.2% | 83.0% |
| Completed some college | 53.3% | 57.7% | 59.4% |
| Completed associate degree | 33.7% | 35.2% | 38.5% |
| Completed bachelors | 22.2% | 27.6% | 30.3% |
| Completed masters | 5.0% | 10.4% | 11.5% |
| Completed professional degree | 0.7% | 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 Byrnes Mill. Using the proficiency score averages, the average test scores for Byrnes Mill, MO schools is n/a. The average student to teacher ratio is n/a. In Byrnes Mill, MO, an average of 85.3% of students have completed 8th grade and an average of 83.5% 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% |
| Kirkwood, MO | 27,772 | 69% | 43.1% |
| Webster Groves, MO | 22,906 | 64% | 32.8% |
| Wildwood, MO | 35,476 | 63% | 30.2% |
| Byrnes Mill, MO | 2,983 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Versailles, MO | 2,983 | 43% | 10.4% |
| Tularosa, NM | 2,983 | 24% | 49.3% |
| Nocona, TX | 2,982 | 50% | 3.5% |
| De Leon Springs, FL | 2,982 | 45% | 7.3% |
| Pine Ridge, SD | 2,984 | 4% | 92.7% |
| Byrnes Mill, MO | 2,983 | n/a |
Here are the best places to live in Missouri
Most Dangerous States In The US
Check out the 10 safest cities in Missouri
Check out the 10 most dangerous cities in Missouri