| Index | Mill Creek | Washington | National |
| Average Test Scores | 77% | 54% | 48% |
| Student/Teacher ratio | 21:1 | 20:1 | 16:1 |
| Total public schools | 1 | 1,991 | 79,221 |
| Total private schools | 1 | 548 | 24,874 |
| Total post-secondary schools | n/a | 147 | 7,963 |
| Index | Mill Creek | Washington | National |
| Completed 8th grade | 95.1% | 87.5% | 84.3% |
| Completed high school | 95.0% | 86.6% | 83.0% |
| Completed some college | 82.2% | 67.7% | 59.4% |
| Completed associate degree | 60.6% | 43.3% | 38.5% |
| Completed bachelors | 50.0% | 33.6% | 30.3% |
| Completed masters | 18.1% | 12.3% | 11.5% |
| Completed professional degree | 5.8% | 3.6% | 3.3% |
| Completed doctorate | 3.3% | 1.5% | 1.3% |
There are a total of 1 public schools, 1 private schools and n/a post-secondary schools in Mill Creek. Using the proficiency score averages, the average test scores for Mill Creek, WA schools is 77%. The average student to teacher ratio is 21:1. In Mill Creek, WA, an average of 95.1% of students have completed 8th grade and an average of 95.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Redmond, WA | 67,959 | 83% | 73.1% |
| Woodinville, WA | 13,038 | 78% | 62.8% |
| Duvall, WA | 7,979 | 77% | 60.4% |
| Kirkland, WA | 91,146 | 76% | 58.2% |
| Lake Forest Park, WA | 13,455 | 76% | 57.3% |
| Mill Creek, WA | 20,750 | 77% | 60.4% |
| City | Population | Avg. Test Scores | National Avg. |
| North Salt Lake, UT | 20,721 | 41% | 15.2% |
| Mokena, IL | 20,720 | 45% | 5.7% |
| Lebanon, OH | 20,781 | 61% | 27.7% |
| Clifton, CO | 20,783 | 18% | 63.5% |
| Park Forest, IL | 20,715 | 26% | 46.0% |
| Mill Creek, WA | 20,750 | 77% | 60.4% |
Here are the best places to live in Washington
Safest States In The US
See the best places to live in Mill Creek
These are the 10 cheapest cities in Washington