| Index | West Mifflin | Pennsylvania | National |
| Average Test Scores | 63% | 55% | 48% |
| Student/Teacher ratio | 19:1 | 16:1 | 16:1 |
| Total public schools | 6 | 2,563 | 79,221 |
| Total private schools | 5 | 1,626 | 24,874 |
| Total post-secondary schools | 2 | 406 | 7,963 |
| Index | West Mifflin | Pennsylvania | National |
| Completed 8th grade | 91.1% | 86.9% | 84.3% |
| Completed high school | 90.5% | 85.6% | 83.0% |
| Completed some college | 55.6% | 53.6% | 59.4% |
| Completed associate degree | 34.8% | 37.4% | 38.5% |
| Completed bachelors | 22.0% | 29.3% | 30.3% |
| Completed masters | 5.9% | 11.5% | 11.5% |
| Completed professional degree | 1.0% | 3.3% | 3.3% |
| Completed doctorate | 0.2% | 1.4% | 1.3% |
There are a total of 6 public schools, 5 private schools and 2 post-secondary schools in West Mifflin. Using the proficiency score averages, the average test scores for West Mifflin, PA schools is 63%. The average student to teacher ratio is 19:1. In West Mifflin, PA, an average of 91.1% of students have completed 8th grade and an average of 90.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Harrison City, PA | 78 | 92% | 90.6% |
| McMurray, PA | 4,167 | 88% | 83.6% |
| Allison Park, PA | 22,623 | 80% | 67.2% |
| Plum, PA | 27,137 | 80% | 66.1% |
| Eighty Four, PA | 345 | 80% | 65.6% |
| West Mifflin, PA | 19,742 | 63% | 30.6% |
| City | Population | Avg. Test Scores | National Avg. |
| Shafter, CA | 19,743 | 30% | 38.0% |
| Sherwood, OR | 19,745 | 73% | 51.0% |
| Blythe, CA | 19,747 | 23% | 53.0% |
| Willmar, MN | 19,728 | 37% | 22.5% |
| Bartow, FL | 19,762 | 41% | 14.8% |
| West Mifflin, PA | 19,742 | 63% | 30.6% |
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