| Index | Ruby | Alaska | National |
| Average Test Scores | 25% | 37% | 48% |
| Student/Teacher ratio | n/a | 18:1 | 16:1 |
| Total public schools | n/a | 285 | 79,221 |
| Total private schools | n/a | 55 | 24,874 |
| Total post-secondary schools | n/a | 11 | 7,963 |
| Index | Ruby | Alaska | National |
| Completed 8th grade | 76.9% | 88.0% | 84.3% |
| Completed high school | 76.9% | 87.2% | 83.0% |
| Completed some college | 33.1% | 64.6% | 59.4% |
| Completed associate degree | 6.6% | 37.1% | 38.5% |
| Completed bachelors | 6.6% | 28.8% | 30.3% |
| Completed masters | 3.3% | 10.4% | 11.5% |
| Completed professional degree | 0.0% | 2.9% | 3.3% |
| Completed doctorate | 0.0% | 1.1% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Ruby. Using the proficiency score averages, the average test scores for Ruby, AK schools is 25%. The average student to teacher ratio is n/a. In Ruby, AK, an average of 76.9% of students have completed 8th grade and an average of 76.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Ruby, AK | 190 | 25% | 47.9% |
| City | Population | Avg. Test Scores | National Avg. |
| Caledonia, MO | 190 | 40% | 17.7% |
| Stony Creek, VA | 190 | 83% | 72.9% |
| Plaucheville, LA | 190 | 63% | 31.3% |
| Chugwater, WY | 191 | 50% | 4.2% |
| Trent, TX | 189 | 37% | 22.9% |
| Ruby, AK | 190 | 25% | 47.9% |
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