Mililani High School

Mililani High School is an expansive four-year high school in Mililani, Hawaii, overseen by Hawaii Department of Education. The school educates 2,382 students in grades 9 through 12. By comparison, Hawaii's public schools average about 1,058 students each, so Mililani High School sits 125% larger than that benchmark.

Hawaii Department of Education runs 296 schools in total, collectively educating 167,071 students. Mililani High School is one of those campuses.

Demographically, Mililani High School logs that 31% of students identify as Asian, with the remaining enrollment distributed across several groups; the rest consists of 28% multiracial, 20% Hispanic, 12% Pacific Islander, 8% White. That is noticeably less Asian than the county at large, where the share is closer to 42%.

Looking at school resources, Mililani High School logs 145 full-time-equivalent teachers, putting the student-to-teacher ratio at about 16.5:1. That figure is higher than the state norm's 14.4:1 average. Roughly 17% of students at Mililani High School qualify for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal. That share is lower than Honolulu County's rate of about 42%.

In the broader community, Honolulu County reports that median household income runs about $106,195, roughly 39% of adults have completed at least a four-year degree, and census figures put the poverty rate at about 6%. Across Honolulu County's 187 public schools (combined enrollment of about 111,011 students), Mililani High School is one campus in the mix.

Mililani Waena Elementary School is the nearest neighboring public school, about 0.1 miles from this campus. 8 of the 8 nearest public schools sit inside a five-mile radius.

Mililani High School operates from a residential location.

Over the past 7-year window. Over the past 7-year window, the student count edged down 7%: 2,571 students in 2018 compared to 2,382 in 2025. The Asian share of enrollment decreased from 40% to 31% over that span.

On the community side, recent activity here tends to focus on fundraisers, lost-and-found posts, and report-card season. Contributors range from current parents to recent graduates and teachers.