| 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 | 34,663 | 72% | 49.1% |
| Steilacoom, WA | 6,528 | 65% | 35.7% |
| North Fort Lewis, WA | 6,545 | 63% | 31.8% |
| Vashon, WA | 10,612 | 62% | 29.6% |
| Longbranch, WA | 4,700 | 62% | 29.2% |
| Gig Harbor, WA | 10,659 | 65% | 35.9% |
| City | Population | Avg. Test Scores | National Avg. |
| Portage, WI | 10,657 | 47% | 3.1% |
| Barrington, IL | 10,656 | 61% | 26.2% |
| Bellefontaine Neighbors, MO | 10,655 | 13% | 74.0% |
| Miami Shores, FL | 10,653 | 68% | 41.7% |
| Fort Madison, IA | 10,650 | 63% | 31.3% |
| Gig Harbor, WA | 10,659 | 65% | 35.9% |