| Index | Winlock | Washington | National |
| Average Test Scores | 39% | 54% | 48% |
| Student/Teacher ratio | 26:1 | 20:1 | 16:1 |
| Total public schools | 4 | 1,991 | 79,221 |
| Total private schools | n/a | 548 | 24,874 |
| Total post-secondary schools | n/a | 147 | 7,963 |
| Index | Winlock | Washington | National |
| Completed 8th grade | 87.3% | 87.5% | 84.3% |
| Completed high school | 86.2% | 86.6% | 83.0% |
| Completed some college | 59.0% | 67.7% | 59.4% |
| Completed associate degree | 31.1% | 43.3% | 38.5% |
| Completed bachelors | 14.9% | 33.6% | 30.3% |
| Completed masters | 6.1% | 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 4 public schools, n/a private schools and n/a post-secondary schools in Winlock. Using the proficiency score averages, the average test scores for Winlock, WA schools is 39%. The average student to teacher ratio is 26:1. In Winlock, WA, an average of 87.3% of students have completed 8th grade and an average of 86.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Napavine, WA | 1,571 | 57% | 19.3% |
| Toledo, WA | 532 | 57% | 19.0% |
| Chehalis, WA | 7,607 | 55% | 14.3% |
| Onalaska, WA | 431 | 46% | 5.2% |
| Winlock, WA | 1,740 | 39% | 18.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Allentown, NJ | 1,740 | 61% | 27.8% |
| Wilder, ID | 1,740 | 22% | 53.6% |
| John Day, OR | 1,740 | 50% | 3.1% |
| Richmond, ME | 1,740 | 36% | 24.3% |
| Sardis City, AL | 1,741 | 43% | 11.5% |
| Winlock, WA | 1,740 | 39% | 18.5% |
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