| Index | Marshallton | 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 | Marshallton | Pennsylvania | National |
| Completed 8th grade | 82.4% | 86.9% | 84.3% |
| Completed high school | 79.6% | 85.6% | 83.0% |
| Completed some college | 27.0% | 53.6% | 59.4% |
| Completed associate degree | 16.1% | 37.4% | 38.5% |
| Completed bachelors | 9.1% | 29.3% | 30.3% |
| Completed masters | 1.1% | 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 Marshallton. Using the proficiency score averages, the average test scores for Marshallton, PA schools is n/a. The average student to teacher ratio is n/a. In Marshallton, PA, an average of 82.4% of students have completed 8th grade and an average of 79.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Catawissa, PA | 1,476 | 72% | 49.3% |
| Danville, PA | 4,613 | 72% | 49.0% |
| Klingerstown, PA | 96 | 65% | 34.4% |
| Trevorton, PA | 1,624 | 62% | 29.2% |
| Northumberland, PA | 3,732 | 54% | 12.0% |
| Marshallton, PA | 1,151 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Crenshaw, MS | 1,151 | 30% | 37.5% |
| Botkins, OH | 1,151 | 84% | 75.5% |
| Clarence, IA | 1,151 | 70% | 44.8% |
| Bellevue, MI | 1,152 | 28% | 41.1% |
| Rossville, IL | 1,152 | 20% | 59.4% |
| Marshallton, PA | 1,151 | n/a |
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