| Index | Cotter | Arkansas | National |
| Average Test Scores | 48% | 45% | 48% |
| Student/Teacher ratio | n/a | 14:1 | 16:1 |
| Total public schools | n/a | 860 | 79,221 |
| Total private schools | n/a | 165 | 24,874 |
| Total post-secondary schools | n/a | 98 | 7,963 |
| Index | Cotter | Arkansas | National |
| Completed 8th grade | 86.4% | 80.7% | 84.3% |
| Completed high school | 84.9% | 79.0% | 83.0% |
| Completed some college | 53.9% | 50.5% | 59.4% |
| Completed associate degree | 26.9% | 27.9% | 38.5% |
| Completed bachelors | 18.1% | 21.5% | 30.3% |
| Completed masters | 5.5% | 7.6% | 11.5% |
| Completed professional degree | 1.2% | 2.2% | 3.3% |
| Completed doctorate | 0.7% | 0.9% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Cotter. Using the proficiency score averages, the average test scores for Cotter, AR schools is 48%. The average student to teacher ratio is n/a. In Cotter, AR, an average of 86.4% of students have completed 8th grade and an average of 84.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Norfork, AR | 572 | 56% | 16.1% |
| Mountain Home, AR | 12,463 | 50% | 4.4% |
| Yellville, AR | 1,281 | 43% | 10.9% |
| Flippin, AR | 1,247 | 43% | 11.5% |
| Cotter, AR | 1,123 | 48% | = 100 |
| City | Population | Avg. Test Scores | National Avg. |
| Cairo, NE | 1,123 | 56% | 16.1% |
| Lamar, SC | 1,123 | 49% | 2.4% |
| Pasadena Hills, MO | 1,123 | 17% | 64.6% |
| Morrisonville, IL | 1,123 | 32% | 34.4% |
| Atwood, TN | 1,122 | 31% | 36.5% |
| Cotter, AR | 1,123 | 48% | = 100 |
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