| Index | Three Lakes | 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 | Three Lakes | Washington | National |
| Completed 8th grade | 90.6% | 87.5% | 84.3% |
| Completed high school | 90.4% | 86.6% | 83.0% |
| Completed some college | 70.1% | 67.7% | 59.4% |
| Completed associate degree | 40.3% | 43.3% | 38.5% |
| Completed bachelors | 30.3% | 33.6% | 30.3% |
| Completed masters | 9.4% | 12.3% | 11.5% |
| Completed professional degree | 1.8% | 3.6% | 3.3% |
| Completed doctorate | 0.0% | 1.5% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Three Lakes. Using the proficiency score averages, the average test scores for Three Lakes, WA schools is n/a. The average student to teacher ratio is n/a. In Three Lakes, WA, an average of 90.6% of students have completed 8th grade and an average of 90.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Woodinville, WA | 13,342 | 78% | 62.8% |
| Mill Creek, WA | 21,532 | 77% | 60.4% |
| Lake Forest Park, WA | 13,735 | 76% | 57.3% |
| Bothell, WA | 47,762 | 70% | 45.7% |
| Kenmore, WA | 23,567 | 70% | 45.0% |
| Three Lakes, WA | 3,506 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Paris, AR | 3,506 | 46% | 4.5% |
| Hidden Springs, ID | 3,506 | 62% | 29.2% |
| Riverside, MO | 3,505 | 73% | 51.0% |
| Jasper, TN | 3,508 | 26% | 45.5% |
| Waldron, AR | 3,503 | 42% | 13.2% |
| Three Lakes, WA | 3,506 | n/a |