| Index | Fort Lewis | Washington | National |
| Average Test Scores | 59% | 54% | 48% |
| Student/Teacher ratio | 19:1 | 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 | Fort Lewis | Washington | National |
| Completed 8th grade | 94.8% | 87.5% | 84.3% |
| Completed high school | 94.8% | 86.6% | 83.0% |
| Completed some college | 77.5% | 67.7% | 59.4% |
| Completed associate degree | 33.5% | 43.3% | 38.5% |
| Completed bachelors | 17.1% | 33.6% | 30.3% |
| Completed masters | 4.5% | 12.3% | 11.5% |
| Completed professional degree | 0.4% | 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 Fort Lewis. Using the proficiency score averages, the average test scores for Fort Lewis, WA schools is 59%. The average student to teacher ratio is 19:1. In Fort Lewis, WA, an average of 94.8% of students have completed 8th grade and an average of 94.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Lake Tapps, WA | 12,129 | 78% | 62.8% |
| Clear Lake, WA | 1,101 | 75% | 55.2% |
| University Place, WA | 33,661 | 72% | 49.1% |
| Sumner, WA | 10,246 | 67% | 39.0% |
| Gig Harbor, WA | 10,280 | 65% | 35.9% |
| Fort Lewis, WA | 13,045 | 59% | 22.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Trenton, OH | 13,046 | 66% | 36.5% |
| Steamboat Springs, CO | 13,048 | 60% | 25.3% |
| Woodinville, WA | 13,038 | 78% | 62.8% |
| Las Vegas, NM | 13,055 | 23% | 52.1% |
| Avenal, CA | 13,033 | 26% | 45.6% |
| Fort Lewis, WA | 13,045 | 59% | 22.2% |
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