| Index | Yorklyn | Pennsylvania | National |
| Average Test Scores | n/a | 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 | Yorklyn | Pennsylvania | National |
| Completed 8th grade | 92.5% | 86.9% | 84.3% |
| Completed high school | 91.4% | 85.6% | 83.0% |
| Completed some college | 56.1% | 53.6% | 59.4% |
| Completed associate degree | 32.9% | 37.4% | 38.5% |
| Completed bachelors | 22.4% | 29.3% | 30.3% |
| Completed masters | 6.6% | 11.5% | 11.5% |
| Completed professional degree | 0.0% | 3.3% | 3.3% |
| Completed doctorate | 0.0% | 1.4% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Yorklyn. Using the proficiency score averages, the average test scores for Yorklyn, PA schools is n/a. The average student to teacher ratio is n/a. In Yorklyn, PA, an average of 92.5% of students have completed 8th grade and an average of 91.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Bainbridge, PA | 1,440 | 84% | 75.0% |
| York Haven, PA | 848 | 77% | 60.4% |
| Wrightsville, PA | 2,124 | 72% | 50.3% |
| Valley Green, PA | 3,590 | 72% | 50.0% |
| Manchester, PA | 2,769 | 72% | 49.2% |
| Yorklyn, PA | 2,044 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Santa Nella, CA | 2,044 | 27% | 43.8% |
| Morris, AL | 2,045 | 31% | 35.9% |
| Badin, NC | 2,043 | 52% | 8.3% |
| Dexter, ME | 2,045 | 29% | 40.6% |
| Cooper, TX | 2,043 | 46% | 3.8% |
| Yorklyn, PA | 2,044 | n/a |