| Index | Delta | Pennsylvania | National |
| Average Test Scores | 47% | 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 | Delta | Pennsylvania | National |
| Completed 8th grade | 83.6% | 86.9% | 84.3% |
| Completed high school | 82.4% | 85.6% | 83.0% |
| Completed some college | 42.4% | 53.6% | 59.4% |
| Completed associate degree | 17.4% | 37.4% | 38.5% |
| Completed bachelors | 11.3% | 29.3% | 30.3% |
| Completed masters | 4.0% | 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 Delta. Using the proficiency score averages, the average test scores for Delta, PA schools is 47%. The average student to teacher ratio is n/a. In Delta, PA, an average of 83.6% of students have completed 8th grade and an average of 82.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Conestoga, PA | 1,152 | 75% | 55.2% |
| Fallston, MD | 9,449 | 68% | 41.7% |
| Stewartstown, PA | 1,801 | 67% | 39.6% |
| Fawn Grove, PA | 478 | 66% | 38.3% |
| Bel Air North, MD | 31,605 | 63% | 31.3% |
| Delta, PA | 525 | 47% | 2.1% |
| City | Population | Avg. Test Scores | National Avg. |
| Orderville, UT | 525 | 58% | 21.4% |
| De Soto, WI | 525 | 44% | 8.3% |
| New Auburn, WI | 525 | 35% | 28.1% |
| Missouri City, MO | 525 | 50% | 4.2% |
| Clarksville, MO | 525 | 51% | 5.7% |
| Delta, PA | 525 | 47% | 2.1% |