| Index | Coldiron | 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 | Coldiron | Kentucky | National |
| Completed 8th grade | 68.9% | 81.0% | 84.3% |
| Completed high school | 68.9% | 77.8% | 83.0% |
| Completed some college | 35.9% | 51.3% | 59.4% |
| Completed associate degree | 35.9% | 30.5% | 38.5% |
| Completed bachelors | 21.4% | 22.7% | 30.3% |
| Completed masters | 8.7% | 9.3% | 11.5% |
| Completed professional degree | 0.0% | 2.6% | 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 Coldiron. Using the proficiency score averages, the average test scores for Coldiron, KY schools is n/a. The average student to teacher ratio is n/a. In Coldiron, KY, an average of 68.9% of students have completed 8th grade and an average of 68.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Ewing, VA | 155 | 83% | 72.4% |
| Cawood, KY | 502 | 65% | 34.4% |
| Harlan, KY | 1,439 | 62% | 29.5% |
| Evarts, KY | 716 | 53% | 9.4% |
| South Wallins, KY | 932 | 52% | 8.3% |
| Coldiron, KY | 424 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Rolling Prairie, IN | 424 | 61% | 26.0% |
| Hurley, SD | 424 | 35% | 28.1% |
| Hermosa, SD | 424 | 25% | 48.4% |
| Union, IA | 424 | 72% | 50.0% |
| Newfolden, MN | 424 | 53% | 10.9% |
| Coldiron, KY | 424 | n/a |
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