| Index | Wailuku | Hawaii | National |
| Average Test Scores | 43% | 47% | 48% |
| Student/Teacher ratio | 17:1 | 16:1 | 16:1 |
| Total public schools | 4 | 229 | 79,221 |
| Total private schools | 2 | 107 | 24,874 |
| Total post-secondary schools | n/a | 47 | 7,963 |
| Index | Wailuku | Hawaii | National |
| Completed 8th grade | 91.0% | 89.8% | 84.3% |
| Completed high school | 89.2% | 89.0% | 83.0% |
| Completed some college | 63.5% | 63.5% | 59.4% |
| Completed associate degree | 36.7% | 41.7% | 38.5% |
| Completed bachelors | 26.0% | 31.4% | 30.3% |
| Completed masters | 10.3% | 10.6% | 11.5% |
| Completed professional degree | 3.7% | 3.7% | 3.3% |
| Completed doctorate | 1.0% | 1.4% | 1.3% |
There are a total of 4 public schools, 2 private schools and n/a post-secondary schools in Wailuku. Using the proficiency score averages, the average test scores for Wailuku, HI schools is 43%. The average student to teacher ratio is 17:1. In Wailuku, HI, an average of 91.0% of students have completed 8th grade and an average of 89.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Kula, HI | 6,687 | 60% | 24.0% |
| Kihei, HI | 22,749 | 56% | 16.9% |
| Pukalani, HI | 7,689 | 55% | 13.5% |
| Haiku-Pauwela, HI | 9,107 | 55% | 13.5% |
| Kahului, HI | 29,993 | 50% | 3.3% |
| Wailuku, HI | 17,523 | 43% | 11.3% |
| City | Population | Avg. Test Scores | National Avg. |
| Kingsland, GA | 17,523 | 60% | 24.2% |
| South Houston, TX | 17,522 | 39% | 19.0% |
| Centerville, UT | 17,527 | 61% | 26.5% |
| Anoka, MN | 17,512 | 57% | 17.9% |
| Hermiston, OR | 17,512 | 51% | 5.5% |
| Wailuku, HI | 17,523 | 43% | 11.3% |
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