| Index | Lake Cavanaugh | 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 Cavanaugh | Washington | National |
| Completed 8th grade | 100.0% | 87.5% | 84.3% |
| Completed high school | 100.0% | 86.6% | 83.0% |
| Completed some college | 93.2% | 67.7% | 59.4% |
| Completed associate degree | 39.7% | 43.3% | 38.5% |
| Completed bachelors | 39.7% | 33.6% | 30.3% |
| Completed masters | 19.9% | 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 Cavanaugh. Using the proficiency score averages, the average test scores for Lake Cavanaugh, WA schools is n/a. The average student to teacher ratio is n/a. In Lake Cavanaugh, WA, an average of 100.0% of students have completed 8th grade and an average of 100.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Lyman, WA | 277 | 70% | 44.8% |
| Arlington, WA | 19,947 | 54% | 11.7% |
| Mount Vernon, WA | 35,502 | 49% | 1.1% |
| Sedro-Woolley, WA | 11,919 | 45% | 5.5% |
| Burlington, WA | 9,085 | 39% | 18.5% |
| Lake Cavanaugh, WA | 220 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Bath, NC | 220 | 52% | 7.3% |
| Elbert, CO | 220 | 24% | 50.5% |
| Irwin, ID | 220 | 65% | 35.4% |
| Coffman Cove, AK | 220 | 50% | 4.2% |
| Elim, AK | 220 | 10% | 79.2% |
| Lake Cavanaugh, WA | 220 | n/a |
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