| Index | Sells | Arizona | National |
| Average Test Scores | 22% | 43% | 48% |
| Student/Teacher ratio | 14:1 | 18:1 | 16:1 |
| Total public schools | 7 | 1,863 | 79,221 |
| Total private schools | n/a | 316 | 24,874 |
| Total post-secondary schools | 1 | 148 | 7,963 |
| Index | Sells | Arizona | National |
| Completed 8th grade | 81.3% | 83.7% | 84.3% |
| Completed high school | 78.3% | 82.2% | 83.0% |
| Completed some college | 38.7% | 62.0% | 59.4% |
| Completed associate degree | 15.5% | 36.5% | 38.5% |
| Completed bachelors | 3.9% | 28.0% | 30.3% |
| Completed masters | 1.3% | 10.4% | 11.5% |
| Completed professional degree | 0.0% | 2.9% | 3.3% |
| Completed doctorate | 0.0% | 1.2% | 1.3% |
There are a total of 7 public schools, n/a private schools and 1 post-secondary schools in Sells. Using the proficiency score averages, the average test scores for Sells, AZ schools is 22%. The average student to teacher ratio is 14:1. In Sells, AZ, an average of 81.3% of students have completed 8th grade and an average of 78.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Topawa, AZ | 382 | 26% | 45.5% |
| Sells, AZ | 2,453 | 22% | 54.9% |
| City | Population | Avg. Test Scores | National Avg. |
| Ross, CA | 2,453 | 83% | 71.9% |
| Amboy, IL | 2,453 | 30% | 37.2% |
| Driggs, ID | 2,454 | 36% | 25.3% |
| Hayden, CO | 2,452 | 32% | 33.0% |
| New Stanton, PA | 2,452 | 66% | 37.5% |
| Sells, AZ | 2,453 | 22% | 54.9% |
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