| Index | Sammamish | Washington | National |
| Average Test Scores | 86% | 54% | 48% |
| Student/Teacher ratio | 21:1 | 20:1 | 16:1 |
| Total public schools | 10 | 1,991 | 79,221 |
| Total private schools | 3 | 548 | 24,874 |
| Total post-secondary schools | n/a | 147 | 7,963 |
| Index | Sammamish | Washington | National |
| Completed 8th grade | 97.7% | 87.5% | 84.3% |
| Completed high school | 97.6% | 86.6% | 83.0% |
| Completed some college | 92.0% | 67.7% | 59.4% |
| Completed associate degree | 80.3% | 43.3% | 38.5% |
| Completed bachelors | 72.9% | 33.6% | 30.3% |
| Completed masters | 29.3% | 12.3% | 11.5% |
| Completed professional degree | 6.7% | 3.6% | 3.3% |
| Completed doctorate | 3.7% | 1.5% | 1.3% |
There are a total of 10 public schools, 3 private schools and n/a post-secondary schools in Sammamish. Using the proficiency score averages, the average test scores for Sammamish, WA schools is 86%. The average student to teacher ratio is 21:1. In Sammamish, WA, an average of 97.7% of students have completed 8th grade and an average of 97.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Medina, WA | 3,283 | 91% | 88.5% |
| Mercer Island, WA | 25,820 | 85% | 77.8% |
| Redmond, WA | 67,959 | 83% | 73.1% |
| Fall City, WA | 2,357 | 78% | 63.0% |
| Woodinville, WA | 13,038 | 78% | 62.8% |
| Sammamish, WA | 65,265 | 86% | 78.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Schenectady, NY | 65,336 | 47% | 2.2% |
| Castle Rock, CO | 65,176 | 46% | 5.1% |
| Jupiter, FL | 65,139 | 69% | 44.1% |
| Bayonne, NJ | 65,112 | 47% | 1.8% |
| Rowlett, TX | 65,426 | 48% | = 100 |
| Sammamish, WA | 65,265 | 86% | 78.2% |
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