| Index | Wailua | Hawaii | National |
| Average Test Scores | n/a | 47% | 48% |
| Student/Teacher ratio | n/a | 16:1 | 16:1 |
| Total public schools | n/a | 229 | 79,221 |
| Total private schools | n/a | 107 | 24,874 |
| Total post-secondary schools | n/a | 47 | 7,963 |

| Index | Wailua | Hawaii | National |
| Completed 8th grade | 90.6% | 89.8% | 84.3% |
| Completed high school | 90.2% | 89.0% | 83.0% |
| Completed some college | 64.8% | 63.5% | 59.4% |
| Completed associate degree | 42.2% | 41.7% | 38.5% |
| Completed bachelors | 29.5% | 31.4% | 30.3% |
| Completed masters | 11.3% | 10.6% | 11.5% |
| Completed professional degree | 5.2% | 3.7% | 3.3% |
| Completed doctorate | 0.6% | 1.4% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Wailua. Using the proficiency score averages, the average test scores for Wailua, HI schools is n/a. The average student to teacher ratio is n/a. In Wailua, HI, an average of 90.6% of students have completed 8th grade and an average of 90.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Hanalei, HI | 423 | 62% | 29.2% |
| Koloa, HI | 2,511 | 56% | 16.7% |
| Kalaheo, HI | 5,464 | 49% | 2.1% |
| Kilauea, HI | 2,937 | 47% | 2.1% |
| Lihue, HI | 9,314 | 45% | 7.1% |
| Wailua, HI | 2,553 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Bloomfield, IN | 2,554 | 46% | 5.0% |
| Hayward, WI | 2,552 | 36% | 24.3% |
| Haw River, NC | 2,554 | 21% | 57.3% |
| Lithonia, GA | 2,552 | 24% | 49.6% |
| Fort Pierre, SD | 2,552 | 50% | 3.5% |
| Wailua, HI | 2,553 | n/a |