| Index | Harrell | 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 | Harrell | Arkansas | National |
| Completed 8th grade | 89.4% | 80.7% | 84.3% |
| Completed high school | 85.7% | 79.0% | 83.0% |
| Completed some college | 18.8% | 50.5% | 59.4% |
| Completed associate degree | 5.3% | 27.9% | 38.5% |
| Completed bachelors | 2.0% | 21.5% | 30.3% |
| Completed masters | 1.2% | 7.6% | 11.5% |
| Completed professional degree | 1.2% | 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 Harrell. Using the proficiency score averages, the average test scores for Harrell, AR schools is n/a. The average student to teacher ratio is n/a. In Harrell, AR, an average of 89.4% of students have completed 8th grade and an average of 85.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Norphlet, AR | 642 | 42% | 12.0% |
| Hermitage, AR | 862 | 31% | 35.9% |
| Hampton, AR | 1,645 | 30% | 38.5% |
| Harrell, AR | 347 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Milford, KS | 347 | 35% | 27.1% |
| Pierson, IA | 347 | 67% | 40.1% |
| Cooter, MO | 347 | 36% | 25.0% |
| Rockhill, PA | 348 | 37% | 22.9% |
| Halliday, ND | 348 | 38% | 21.9% |
| Harrell, AR | 347 | n/a |
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