| Index | Gig Harbor | Washington | National |
| Average Test Scores | 65% | 54% | 48% |
| Student/Teacher ratio | 20:1 | 20:1 | 16:1 |
| Total public schools | 13 | 1,991 | 79,221 |
| Total private schools | 7 | 548 | 24,874 |
| Total post-secondary schools | n/a | 147 | 7,963 |
| Index | Gig Harbor | Washington | National |
| Completed 8th grade | 96.1% | 87.5% | 84.3% |
| Completed high school | 95.4% | 86.6% | 83.0% |
| Completed some college | 82.4% | 67.7% | 59.4% |
| Completed associate degree | 57.5% | 43.3% | 38.5% |
| Completed bachelors | 49.9% | 33.6% | 30.3% |
| Completed masters | 20.4% | 12.3% | 11.5% |
| Completed professional degree | 7.0% | 3.6% | 3.3% |
| Completed doctorate | 4.2% | 1.5% | 1.3% |
There are a total of 13 public schools, 7 private schools and n/a post-secondary schools in Gig Harbor. Using the proficiency score averages, the average test scores for Gig Harbor, WA schools is 65%. The average student to teacher ratio is 20:1. In Gig Harbor, WA, an average of 96.1% of students have completed 8th grade and an average of 95.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| University Place, WA | 33,661 | 72% | 49.1% |
| Steilacoom, WA | 6,366 | 65% | 35.7% |
| North Fort Lewis, WA | 6,402 | 63% | 31.8% |
| Vashon, WA | 10,400 | 62% | 29.6% |
| Longbranch, WA | 4,568 | 62% | 29.2% |
| Gig Harbor, WA | 10,280 | 65% | 35.9% |
| City | Population | Avg. Test Scores | National Avg. |
| Pella, IA | 10,279 | 84% | 75.6% |
| Troy, IL | 10,278 | 43% | 10.8% |
| Arden Hills, MN | 10,276 | 65% | 34.9% |
| Jefferson, LA | 10,286 | 53% | 10.6% |
| Reading, OH | 10,287 | 63% | 30.2% |
| Gig Harbor, WA | 10,280 | 65% | 35.9% |
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