| Index | Arnold City | 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 | Arnold City | Pennsylvania | National |
| Completed 8th grade | 78.5% | 86.9% | 84.3% |
| Completed high school | 78.5% | 85.6% | 83.0% |
| Completed some college | 26.2% | 53.6% | 59.4% |
| Completed associate degree | 17.2% | 37.4% | 38.5% |
| Completed bachelors | 7.9% | 29.3% | 30.3% |
| Completed masters | 0.0% | 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 Arnold City. Using the proficiency score averages, the average test scores for Arnold City, PA schools is n/a. The average student to teacher ratio is n/a. In Arnold City, PA, an average of 78.5% of students have completed 8th grade and an average of 78.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Gibsonia, PA | 2,372 | 87% | 80.7% |
| Allison Park, PA | 22,623 | 80% | 67.2% |
| Plum, PA | 27,137 | 80% | 66.1% |
| Freeport, PA | 1,805 | 78% | 63.0% |
| Murrysville, PA | 19,692 | 78% | 62.1% |
| Arnold City, PA | 337 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Endicott, WA | 337 | 60% | 24.0% |
| Mill Village, PA | 337 | 82% | 70.8% |
| Princeton, CA | 337 | 25% | 47.9% |
| Ellsworth, MI | 337 | 40% | 17.7% |
| Mill Creek, PA | 337 | 50% | 4.2% |
| Arnold City, PA | 337 | n/a |
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