| Index | Sidney | Arkansas | National |
| Average Test Scores | n/a | 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 | Sidney | Arkansas | National |
| Completed 8th grade | 72.3% | 80.7% | 84.3% |
| Completed high school | 70.6% | 79.0% | 83.0% |
| Completed some college | 43.7% | 50.5% | 59.4% |
| Completed associate degree | 16.8% | 27.9% | 38.5% |
| Completed bachelors | 7.6% | 21.5% | 30.3% |
| Completed masters | 1.7% | 7.6% | 11.5% |
| Completed professional degree | 0.0% | 2.2% | 3.3% |
| Completed doctorate | 0.0% | 0.9% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Sidney. Using the proficiency score averages, the average test scores for Sidney, AR schools is n/a. The average student to teacher ratio is n/a. In Sidney, AR, an average of 72.3% of students have completed 8th grade and an average of 70.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Melbourne, AR | 1,655 | 60% | 24.0% |
| Cave City, AR | 2,228 | 48% | = 100 |
| Sidney, AR | 143 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Atmautluak, AK | 143 | 10% | 79.2% |
| Antelope, OR | 143 | 50% | 4.2% |
| Brashear, MO | 143 | 50% | 4.2% |
| Le Flore, OK | 144 | 30% | 38.0% |
| Medora, ND | 142 | 70% | 45.8% |
| Sidney, AR | 143 | n/a |
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