| Index | Milton | Washington | National |
| Average Test Scores | 46% | 54% | 48% |
| Student/Teacher ratio | 19:1 | 20:1 | 16:1 |
| Total public schools | 3 | 1,991 | 79,221 |
| Total private schools | n/a | 548 | 24,874 |
| Total post-secondary schools | n/a | 147 | 7,963 |

| Index | Milton | Washington | National |
| Completed 8th grade | 87.7% | 87.5% | 84.3% |
| Completed high school | 87.4% | 86.6% | 83.0% |
| Completed some college | 59.7% | 67.7% | 59.4% |
| Completed associate degree | 32.6% | 43.3% | 38.5% |
| Completed bachelors | 23.7% | 33.6% | 30.3% |
| Completed masters | 8.6% | 12.3% | 11.5% |
| Completed professional degree | 2.5% | 3.6% | 3.3% |
| Completed doctorate | 0.9% | 1.5% | 1.3% |
There are a total of 3 public schools, n/a private schools and n/a post-secondary schools in Milton. Using the proficiency score averages, the average test scores for Milton, WA schools is 46%. The average student to teacher ratio is 19:1. In Milton, WA, an average of 87.7% of students have completed 8th grade and an average of 87.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Lake Tapps, WA | 12,497 | 78% | 62.8% |
| Carbonado, WA | 698 | 77% | 60.4% |
| Maple Valley, WA | 27,291 | 74% | 54.2% |
| University Place, WA | 34,663 | 72% | 49.1% |
| Bonney Lake, WA | 22,079 | 70% | 45.1% |
| Milton, WA | 8,454 | 46% | 3.6% |
| City | Population | Avg. Test Scores | National Avg. |
| Nevada, MO | 8,454 | 41% | 15.4% |
| Mount Joy, PA | 8,453 | 64% | 33.0% |
| Orting, WA | 8,457 | 49% | 2.3% |
| Chester, IL | 8,448 | 27% | 43.2% |
| Stevensville, MD | 8,447 | 60% | 24.8% |
| Milton, WA | 8,454 | 46% | 3.6% |