| Index | Mill Creek | West Virginia | National |
| Average Test Scores | n/a | n/a | 48% |
| Student/Teacher ratio | n/a | 15:1 | 16:1 |
| Total public schools | n/a | 509 | 79,221 |
| Total private schools | n/a | 115 | 24,874 |
| Total post-secondary schools | n/a | 78 | 7,963 |

| Index | Mill Creek | West Virginia | National |
| Completed 8th grade | 65.9% | 80.9% | 84.3% |
| Completed high school | 64.6% | 78.6% | 83.0% |
| Completed some college | 15.5% | 44.9% | 59.4% |
| Completed associate degree | 10.3% | 26.3% | 38.5% |
| Completed bachelors | 5.6% | 19.6% | 30.3% |
| Completed masters | 2.2% | 7.7% | 11.5% |
| Completed professional degree | 0.0% | 2.1% | 3.3% |
| Completed doctorate | 0.0% | 0.8% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Mill Creek. Using the proficiency score averages, the average test scores for Mill Creek, WV schools is n/a. The average student to teacher ratio is n/a. In Mill Creek, WV, an average of 65.9% of students have completed 8th grade and an average of 64.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Mill Creek, WV | 874 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Accomac, VA | 874 | 72% | 49.0% |
| Attica, OH | 874 | 73% | 51.0% |
| Kiowa, KS | 874 | 39% | 19.8% |
| Piper City, IL | 874 | 42% | 12.5% |
| Allenwood, NJ | 874 | 72% | 50.0% |
| Mill Creek, WV | 874 | n/a |