| Index | Decatur | Arkansas | National |
| Average Test Scores | 30% | 45% | 48% |
| Student/Teacher ratio | 11:1 | 14:1 | 16:1 |
| Total public schools | 2 | 860 | 79,221 |
| Total private schools | n/a | 165 | 24,874 |
| Total post-secondary schools | n/a | 98 | 7,963 |
| Index | Decatur | Arkansas | National |
| Completed 8th grade | 58.0% | 80.7% | 84.3% |
| Completed high school | 55.3% | 79.0% | 83.0% |
| Completed some college | 22.3% | 50.5% | 59.4% |
| Completed associate degree | 9.3% | 27.9% | 38.5% |
| Completed bachelors | 8.4% | 21.5% | 30.3% |
| Completed masters | 2.1% | 7.6% | 11.5% |
| Completed professional degree | 0.3% | 2.2% | 3.3% |
| Completed doctorate | 0.3% | 0.9% | 1.3% |
There are a total of 2 public schools, n/a private schools and n/a post-secondary schools in Decatur. Using the proficiency score averages, the average test scores for Decatur, AR schools is 30%. The average student to teacher ratio is 11:1. In Decatur, AR, an average of 58.0% of students have completed 8th grade and an average of 55.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Bella Vista, AR | 28,819 | 77% | 59.4% |
| Bentonville, AR | 52,070 | 67% | 40.1% |
| Centerton, AR | 15,345 | 60% | 24.0% |
| Gravette, AR | 3,456 | 57% | 19.1% |
| Southwest City, MO | 1,064 | 48% | = 100 |
| Decatur, AR | 1,536 | 30% | 36.8% |
| City | Population | Avg. Test Scores | National Avg. |
| Bokeelia, FL | 1,536 | 72% | 50.0% |
| Eagle River, WI | 1,536 | 37% | 22.9% |
| Farwell, TX | 1,535 | 49% | 1.7% |
| Alton, IA | 1,534 | 81% | 68.8% |
| Hughes Springs, TX | 1,534 | 54% | 12.8% |
| Decatur, AR | 1,536 | 30% | 36.8% |
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