| Index | Gillette | Wyoming | National |
| Average Test Scores | 50% | 47% | 49% |
| Student/Teacher ratio | 13:1 | 12:1 | 16:1 |
| Total public schools | 16 | 271 | 79,221 |
| Total private schools | 1 | 36 | 24,874 |
| Total post-secondary schools | 1 | 14 | 7,963 |
| Index | Gillette | Wyoming | National |
| Completed 8th grade | 85.6% | 88.0% | 84.3% |
| Completed high school | 84.2% | 87.3% | 83.0% |
| Completed some college | 56.7% | 63.2% | 59.4% |
| Completed associate degree | 29.0% | 36.7% | 38.5% |
| Completed bachelors | 18.3% | 26.0% | 30.3% |
| Completed masters | 5.0% | 8.8% | 11.5% |
| Completed professional degree | 1.3% | 2.6% | 3.3% |
| Completed doctorate | 0.3% | 1.2% | 1.3% |
There are a total of 16 public schools, 1 private schools and 1 post-secondary schools in Gillette. Using the proficiency score averages, the average test scores for Gillette, WY schools is 50%. The average student to teacher ratio is 13:1. In Gillette, WY, an average of 85.6% of students have completed 8th grade and an average of 84.2% have completed high school.
| City, State | Population | Avg. Test Scores | National Avg. |
| Sleepy Hollow, WY | 1,080 | 60% | 22% |
| Gillette, WY | 32,033 | 50% | 2% |
| City, State | Population | Avg. Test Scores | National Avg. |
| Danville, IL | 32,030 | 18% | 64% |
| Mason, OH | 32,025 | 93% | 89% |
| East Lake, FL | 32,046 | 76% | 54% |
| Petersburg, VA | 31,997 | 60% | 22% |
| La Verne, CA | 32,078 | 52% | 5% |
| Gillette, WY | 32,033 | 50% | 2% |
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