| Index | Sedro-Woolley | Washington | National |
| Average Test Scores | 45% | 54% | 48% |
| Student/Teacher ratio | 20:1 | 20:1 | 16:1 |
| Total public schools | 8 | 1,991 | 79,221 |
| Total private schools | n/a | 548 | 24,874 |
| Total post-secondary schools | n/a | 147 | 7,963 |
| Index | Sedro-Woolley | Washington | National |
| Completed 8th grade | 84.5% | 87.5% | 84.3% |
| Completed high school | 83.7% | 86.6% | 83.0% |
| Completed some college | 49.5% | 67.7% | 59.4% |
| Completed associate degree | 22.1% | 43.3% | 38.5% |
| Completed bachelors | 12.2% | 33.6% | 30.3% |
| Completed masters | 4.4% | 12.3% | 11.5% |
| Completed professional degree | 0.9% | 3.6% | 3.3% |
| Completed doctorate | 0.2% | 1.5% | 1.3% |
There are a total of 8 public schools, n/a private schools and n/a post-secondary schools in Sedro-Woolley. Using the proficiency score averages, the average test scores for Sedro-Woolley, WA schools is 45%. The average student to teacher ratio is 20:1. In Sedro-Woolley, WA, an average of 84.5% of students have completed 8th grade and an average of 83.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Lyman, WA | 277 | 70% | 44.8% |
| Edison, WA | 264 | 53% | 9.4% |
| Acme, WA | 123 | 51% | 6.3% |
| Mount Vernon, WA | 35,502 | 49% | 1.1% |
| La Conner, WA | 974 | 44% | 9.0% |
| Sedro-Woolley, WA | 11,919 | 45% | 5.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Healdsburg, CA | 11,924 | 50% | 4.8% |
| Clawson, MI | 11,909 | 46% | 4.9% |
| Weatherford, OK | 11,908 | 43% | 10.2% |
| Union, MO | 11,931 | 49% | 3.0% |
| Trophy Club, TX | 11,904 | 75% | 55.2% |
| Sedro-Woolley, WA | 11,919 | 45% | 5.5% |
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