| Index | Sewickley | Pennsylvania | National |
| Average Test Scores | 81% | 55% | 48% |
| Student/Teacher ratio | 15:1 | 16:1 | 16:1 |
| Total public schools | 4 | 2,563 | 79,221 |
| Total private schools | 6 | 1,626 | 24,874 |
| Total post-secondary schools | n/a | 406 | 7,963 |
| Index | Sewickley | Pennsylvania | National |
| Completed 8th grade | 95.4% | 86.9% | 84.3% |
| Completed high school | 95.4% | 85.6% | 83.0% |
| Completed some college | 82.2% | 53.6% | 59.4% |
| Completed associate degree | 65.9% | 37.4% | 38.5% |
| Completed bachelors | 60.5% | 29.3% | 30.3% |
| Completed masters | 28.6% | 11.5% | 11.5% |
| Completed professional degree | 11.9% | 3.3% | 3.3% |
| Completed doctorate | 4.6% | 1.4% | 1.3% |
There are a total of 4 public schools, 6 private schools and n/a post-secondary schools in Sewickley. Using the proficiency score averages, the average test scores for Sewickley, PA schools is 81%. The average student to teacher ratio is 15:1. In Sewickley, PA, an average of 95.4% of students have completed 8th grade and an average of 95.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Bradford Woods, PA | 1,267 | 89% | 85.4% |
| Gibsonia, PA | 2,372 | 87% | 80.7% |
| McDonald, PA | 2,282 | 85% | 77.8% |
| Leetsdale, PA | 1,130 | 85% | 76.0% |
| Allison Park, PA | 22,623 | 80% | 67.2% |
| Sewickley, PA | 3,800 | 81% | 67.7% |
| City | Population | Avg. Test Scores | National Avg. |
| Plainwell, MI | 3,799 | 48% | 0.2% |
| Carter Lake, IA | 3,799 | 52% | 8.3% |
| Brookville, PA | 3,801 | 55% | 14.6% |
| Hazlehurst, MS | 3,801 | 24% | 50.3% |
| Indian Head, MD | 3,803 | 30% | 37.5% |
| Sewickley, PA | 3,800 | 81% | 67.7% |
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