| Index | Lake Ketchum | 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 Ketchum | Washington | National |
| Completed 8th grade | 80.7% | 87.5% | 84.3% |
| Completed high school | 80.7% | 86.6% | 83.0% |
| Completed some college | 71.7% | 67.7% | 59.4% |
| Completed associate degree | 38.4% | 43.3% | 38.5% |
| Completed bachelors | 16.4% | 33.6% | 30.3% |
| Completed masters | 7.9% | 12.3% | 11.5% |
| Completed professional degree | 0.0% | 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 Lake Ketchum. Using the proficiency score averages, the average test scores for Lake Ketchum, WA schools is n/a. The average student to teacher ratio is n/a. In Lake Ketchum, WA, an average of 80.7% of students have completed 8th grade and an average of 80.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Anacortes, WA | 17,231 | 69% | 44.4% |
| Camano, WA | 17,073 | 61% | 26.6% |
| Stanwood, WA | 7,228 | 59% | 23.4% |
| Oak Harbor, WA | 23,358 | 57% | 17.9% |
| Arlington, WA | 19,947 | 54% | 11.7% |
| Lake Ketchum, WA | 1,278 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Berry Creek, CA | 1,278 | 25% | 47.9% |
| Germantown, IL | 1,279 | 72% | 50.0% |
| Perry, KS | 1,277 | 27% | 43.2% |
| Grantsburg, WI | 1,279 | 35% | 27.3% |
| Litchfield, CT | 1,279 | 67% | 39.4% |
| Lake Ketchum, WA | 1,278 | n/a |
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