| Index | Greybull | Wyoming | National |
| Average Test Scores | 57% | 53% | 48% |
| Student/Teacher ratio | 13:1 | 12:1 | 16:1 |
| Total public schools | 3 | 271 | 79,221 |
| Total private schools | n/a | 36 | 24,874 |
| Total post-secondary schools | n/a | 14 | 7,963 |
| Index | Greybull | Wyoming | National |
| Completed 8th grade | 80.3% | 88.0% | 84.3% |
| Completed high school | 79.2% | 87.3% | 83.0% |
| Completed some college | 46.3% | 63.2% | 59.4% |
| Completed associate degree | 21.7% | 36.7% | 38.5% |
| Completed bachelors | 14.7% | 26.0% | 30.3% |
| Completed masters | 5.1% | 8.8% | 11.5% |
| Completed professional degree | 1.3% | 2.6% | 3.3% |
| Completed doctorate | 0.5% | 1.2% | 1.3% |
There are a total of 3 public schools, n/a private schools and n/a post-secondary schools in Greybull. Using the proficiency score averages, the average test scores for Greybull, WY schools is 57%. The average student to teacher ratio is 13:1. In Greybull, WY, an average of 80.3% of students have completed 8th grade and an average of 79.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Basin, WY | 1,421 | 64% | 32.3% |
| Greybull, WY | 2,145 | 57% | 18.8% |
| City | Population | Avg. Test Scores | National Avg. |
| Jamestown, TN | 2,145 | 30% | 37.5% |
| Stanley, VA | 2,144 | 64% | 32.3% |
| Taylorsville, NC | 2,146 | 56% | 16.9% |
| Anthony, KS | 2,146 | 26% | 46.4% |
| Pleasantville, IA | 2,147 | 73% | 51.7% |
| Greybull, WY | 2,145 | 57% | 18.8% |
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