| Index | Monongahela | Pennsylvania | National |
| Average Test Scores | 65% | 55% | 48% |
| Student/Teacher ratio | 17:1 | 16:1 | 16:1 |
| Total public schools | 4 | 2,563 | 79,221 |
| Total private schools | n/a | 1,626 | 24,874 |
| Total post-secondary schools | n/a | 406 | 7,963 |
| Index | Monongahela | Pennsylvania | National |
| Completed 8th grade | 86.6% | 86.9% | 84.3% |
| Completed high school | 85.2% | 85.6% | 83.0% |
| Completed some college | 45.5% | 53.6% | 59.4% |
| Completed associate degree | 29.0% | 37.4% | 38.5% |
| Completed bachelors | 14.7% | 29.3% | 30.3% |
| Completed masters | 5.2% | 11.5% | 11.5% |
| Completed professional degree | 0.7% | 3.3% | 3.3% |
| Completed doctorate | 0.4% | 1.4% | 1.3% |
There are a total of 4 public schools, n/a private schools and n/a post-secondary schools in Monongahela. Using the proficiency score averages, the average test scores for Monongahela, PA schools is 65%. The average student to teacher ratio is 17:1. In Monongahela, PA, an average of 86.6% of students have completed 8th grade and an average of 85.2% 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% |
| Eighty Four, PA | 345 | 80% | 65.6% |
| Bethel Park, PA | 32,310 | 79% | 64.1% |
| Oakdale, PA | 1,503 | 78% | 63.0% |
| Monongahela, PA | 4,142 | 65% | 35.1% |
| City | Population | Avg. Test Scores | National Avg. |
| Madison, GA | 4,141 | 52% | 8.3% |
| Farmington, NH | 4,140 | 40% | 17.7% |
| Lincoln, ND | 4,140 | 44% | 9.4% |
| Waverly, NY | 4,140 | 55% | 15.3% |
| Haleyville, AL | 4,139 | 42% | 13.2% |
| Monongahela, PA | 4,142 | 65% | 35.1% |
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