| Index | Arlington | Indiana | National |
| Average Test Scores | 60% | 46% | 48% |
| Student/Teacher ratio | n/a | 22:1 | 16:1 |
| Total public schools | n/a | 1,755 | 79,221 |
| Total private schools | n/a | 675 | 24,874 |
| Total post-secondary schools | n/a | 141 | 7,963 |
| Index | Arlington | Indiana | National |
| Completed 8th grade | 80.9% | 84.6% | 84.3% |
| Completed high school | 80.9% | 82.9% | 83.0% |
| Completed some college | 31.4% | 53.8% | 59.4% |
| Completed associate degree | 6.6% | 33.0% | 38.5% |
| Completed bachelors | 3.3% | 24.6% | 30.3% |
| Completed masters | 0.0% | 8.9% | 11.5% |
| Completed professional degree | 0.0% | 2.4% | 3.3% |
| Completed doctorate | 0.0% | 1.0% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Arlington. Using the proficiency score averages, the average test scores for Arlington, IN schools is 60%. The average student to teacher ratio is n/a. In Arlington, IN, an average of 80.9% of students have completed 8th grade and an average of 80.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Greenfield, IN | 22,561 | 62% | 29.9% |
| Fairland, IN | 662 | 56% | 16.0% |
| Milroy, IN | 650 | 55% | 13.5% |
| Rushville, IN | 6,194 | 53% | 10.4% |
| Shelbyville, IN | 18,918 | 52% | 8.0% |
| Arlington, IN | 280 | 60% | 24.0% |
| City | Population | Avg. Test Scores | National Avg. |
| Buffalo, SD | 280 | 57% | 18.1% |
| Clarksburg, MO | 280 | 45% | 6.3% |
| Wallace, NE | 279 | 60% | 25.0% |
| Quitman, LA | 281 | 67% | 38.5% |
| Saco, MT | 279 | 43% | 11.5% |
| Arlington, IN | 280 | 60% | 24.0% |
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