| 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 | 1,128 | 75% | 55.2% |
| Fallston, MD | 9,118 | 68% | 41.7% |
| Stewartstown, PA | 1,751 | 67% | 39.6% |
| Fawn Grove, PA | 462 | 66% | 38.3% |
| Bel Air North, MD | 30,639 | 63% | 31.3% |
| Delta, PA | 513 | 47% | 2.1% |
| City | Population | Avg. Test Scores | National Avg. |
| Lewis, IA | 513 | 75% | 56.3% |
| Walden, CO | 513 | 25% | 49.0% |
| Selby, SD | 513 | 52% | 7.6% |
| Beaver, OH | 513 | 55% | 13.9% |
| Brushton, NY | 512 | 34% | 28.6% |
| Delta, PA | 513 | 47% | 2.1% |
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