| Index | Cornwells Heights | Pennsylvania | National |
| Average Test Scores | 56% | 55% | 48% |
| Student/Teacher ratio | n/a | 16:1 | 16:1 |
| Total public schools | n/a | 2,563 | 79,221 |
| Total private schools | n/a | 1,626 | 24,874 |
| Total post-secondary schools | n/a | 406 | 7,963 |
| Index | Cornwells Heights | Pennsylvania | National |
| Completed 8th grade | 92.7% | 86.9% | 84.3% |
| Completed high school | 92.7% | 85.6% | 83.0% |
| Completed some college | 61.9% | 53.6% | 59.4% |
| Completed associate degree | 42.0% | 37.4% | 38.5% |
| Completed bachelors | 23.5% | 29.3% | 30.3% |
| Completed masters | 10.4% | 11.5% | 11.5% |
| Completed professional degree | 2.2% | 3.3% | 3.3% |
| Completed doctorate | 1.2% | 1.4% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Cornwells Heights. Using the proficiency score averages, the average test scores for Cornwells Heights, PA schools is 56%. The average student to teacher ratio is n/a. In Cornwells Heights, PA, an average of 92.7% of students have completed 8th grade and an average of 92.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Fort Washington, PA | 6,013 | 89% | 84.9% |
| Newtown, PA | 1,951 | 82% | 69.8% |
| Richboro, PA | 8,480 | 81% | 68.8% |
| Maple Glen, PA | 6,691 | 81% | 68.8% |
| Ambler, PA | 6,494 | 79% | 64.8% |
| Cornwells Heights, PA | 1,219 | 56% | 16.7% |
| City | Population | Avg. Test Scores | National Avg. |
| Magnolia, OH | 1,219 | 61% | 27.8% |
| Fort Totten, ND | 1,219 | 10% | 78.6% |
| Caraway, AR | 1,219 | 52% | 8.3% |
| Ohkay Owingeh, NM | 1,220 | 15% | 68.8% |
| Medford, MN | 1,220 | 51% | 6.3% |
| Cornwells Heights, PA | 1,219 | 56% | 16.7% |
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