| Index | Northumberland | Pennsylvania | National |
| Average Test Scores | 54% | 55% | 48% |
| Student/Teacher ratio | 17:1 | 16:1 | 16:1 |
| Total public schools | 2 | 2,563 | 79,221 |
| Total private schools | 2 | 1,626 | 24,874 |
| Total post-secondary schools | n/a | 406 | 7,963 |
| Index | Northumberland | Pennsylvania | National |
| Completed 8th grade | 85.3% | 86.9% | 84.3% |
| Completed high school | 83.9% | 85.6% | 83.0% |
| Completed some college | 48.1% | 53.6% | 59.4% |
| Completed associate degree | 32.4% | 37.4% | 38.5% |
| Completed bachelors | 25.4% | 29.3% | 30.3% |
| Completed masters | 8.7% | 11.5% | 11.5% |
| Completed professional degree | 1.1% | 3.3% | 3.3% |
| Completed doctorate | 0.4% | 1.4% | 1.3% |
There are a total of 2 public schools, 2 private schools and n/a post-secondary schools in Northumberland. Using the proficiency score averages, the average test scores for Northumberland, PA schools is 54%. The average student to teacher ratio is 17:1. In Northumberland, PA, an average of 85.3% of students have completed 8th grade and an average of 83.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Lewisburg, PA | 5,730 | 76% | 57.3% |
| Danville, PA | 4,613 | 72% | 49.0% |
| Selinsgrove, PA | 5,923 | 68% | 40.6% |
| Turbotville, PA | 779 | 67% | 39.9% |
| Trevorton, PA | 1,624 | 62% | 29.2% |
| Northumberland, PA | 3,732 | 54% | 12.0% |
| City | Population | Avg. Test Scores | National Avg. |
| Albia, IA | 3,732 | 78% | 62.5% |
| Larned, KS | 3,732 | 29% | 39.9% |
| Stanley, NC | 3,734 | 42% | 13.0% |
| Collinsville, CT | 3,729 | 71% | 47.9% |
| San Andreas, CA | 3,729 | 41% | 15.6% |
| Northumberland, PA | 3,732 | 54% | 12.0% |
Here are the best places to live in Pennsylvania
Most Dangerous Cities In The US
These are the 10 cheapest cities in Pennsylvania
Check out the 10 most dangerous cities in Pennsylvania