| Index | Centralia | Washington | National |
| Average Test Scores | 49% | 54% | 48% |
| Student/Teacher ratio | 18:1 | 20:1 | 16:1 |
| Total public schools | 8 | 1,991 | 79,221 |
| Total private schools | 2 | 548 | 24,874 |
| Total post-secondary schools | 1 | 147 | 7,963 |
| Index | Centralia | Washington | National |
| Completed 8th grade | 76.2% | 87.5% | 84.3% |
| Completed high school | 75.2% | 86.6% | 83.0% |
| Completed some college | 52.6% | 67.7% | 59.4% |
| Completed associate degree | 26.6% | 43.3% | 38.5% |
| Completed bachelors | 15.3% | 33.6% | 30.3% |
| Completed masters | 5.8% | 12.3% | 11.5% |
| Completed professional degree | 1.7% | 3.6% | 3.3% |
| Completed doctorate | 0.3% | 1.5% | 1.3% |
There are a total of 8 public schools, 2 private schools and 1 post-secondary schools in Centralia. Using the proficiency score averages, the average test scores for Centralia, WA schools is 49%. The average student to teacher ratio is 18:1. In Centralia, WA, an average of 76.2% of students have completed 8th grade and an average of 75.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Napavine, WA | 1,571 | 57% | 19.3% |
| Chehalis, WA | 7,607 | 55% | 14.3% |
| Rainier, WA | 2,603 | 55% | 13.9% |
| Rochester, WA | 4,854 | 54% | 12.2% |
| Tenino, WA | 1,744 | 50% | 4.2% |
| Centralia, WA | 17,473 | 49% | 1.7% |
| City | Population | Avg. Test Scores | National Avg. |
| Tiffin, OH | 17,473 | 57% | 18.6% |
| Amesbury Town, MA | 17,474 | 59% | 22.9% |
| Greenfield Town, MA | 17,477 | 37% | 22.8% |
| New Philadelphia, OH | 17,485 | 64% | 34.0% |
| Hermiston, OR | 17,512 | 51% | 5.5% |
| Centralia, WA | 17,473 | 49% | 1.7% |
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