| Index | Graymoor-Devondale | Kentucky | National |
| Average Test Scores | n/a | 48% | 48% |
| Student/Teacher ratio | n/a | 16:1 | 16:1 |
| Total public schools | n/a | 1,157 | 79,221 |
| Total private schools | n/a | 298 | 24,874 |
| Total post-secondary schools | n/a | 130 | 7,963 |
| Index | Graymoor-Devondale | Kentucky | National |
| Completed 8th grade | 93.7% | 81.0% | 84.3% |
| Completed high school | 92.3% | 77.8% | 83.0% |
| Completed some college | 78.9% | 51.3% | 59.4% |
| Completed associate degree | 58.9% | 30.5% | 38.5% |
| Completed bachelors | 51.0% | 22.7% | 30.3% |
| Completed masters | 16.2% | 9.3% | 11.5% |
| Completed professional degree | 2.8% | 2.6% | 3.3% |
| Completed doctorate | 0.5% | 0.9% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Graymoor-Devondale. Using the proficiency score averages, the average test scores for Graymoor-Devondale, KY schools is n/a. The average student to teacher ratio is n/a. In Graymoor-Devondale, KY, an average of 93.7% of students have completed 8th grade and an average of 92.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Anchorage, KY | 2,357 | 86% | 79.2% |
| Goshen, KY | 928 | 74% | 54.5% |
| Prospect, KY | 4,961 | 73% | 51.0% |
| Crestwood, KY | 5,034 | 65% | 35.4% |
| Middletown, KY | 7,885 | 58% | 20.8% |
| Graymoor-Devondale, KY | 3,095 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Tybee Island, GA | 3,094 | 57% | 18.8% |
| West Union, OH | 3,094 | 50% | 4.2% |
| Shrub Oak, NY | 3,094 | 97% | 102.1% |
| Lucedale, MS | 3,094 | 40% | 17.6% |
| East Brewton, AL | 3,093 | 45% | 7.3% |
| Graymoor-Devondale, KY | 3,095 | n/a |
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