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

| Index | Lake Marcel-Stillwater | Washington | National |
| Completed 8th grade | 93.3% | 87.5% | 84.3% |
| Completed high school | 93.3% | 86.6% | 83.0% |
| Completed some college | 82.5% | 67.7% | 59.4% |
| Completed associate degree | 59.3% | 43.3% | 38.5% |
| Completed bachelors | 45.2% | 33.6% | 30.3% |
| Completed masters | 21.0% | 12.3% | 11.5% |
| Completed professional degree | 6.2% | 3.6% | 3.3% |
| Completed doctorate | 1.7% | 1.5% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Lake Marcel-Stillwater. Using the proficiency score averages, the average test scores for Lake Marcel-Stillwater, WA schools is n/a. The average student to teacher ratio is n/a. In Lake Marcel-Stillwater, WA, an average of 93.3% of students have completed 8th grade and an average of 93.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Medina, WA | 3,360 | 91% | 88.5% |
| Sammamish, WA | 67,314 | 86% | 78.2% |
| Mercer Island, WA | 26,374 | 85% | 77.8% |
| Redmond, WA | 70,521 | 83% | 73.1% |
| Fall City, WA | 2,429 | 78% | 63.0% |
| Lake Marcel-Stillwater, WA | 1,385 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Cleveland, AL | 1,385 | 44% | 8.9% |
| Dallesport, WA | 1,385 | 35% | 27.1% |
| Crested Butte, CO | 1,384 | 52% | 7.8% |
| Stamford, NY | 1,386 | 40% | 17.7% |
| Stanton, MI | 1,386 | 32% | 33.1% |
| Lake Marcel-Stillwater, WA | 1,385 | n/a |