Enrollment
2,382
Hawaii · 2024-25 NCES data
High school (grades 9-12) · Mililani, HI
Mililani High School
Federal NCES profile for Mililani High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 63/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 150003000102
👥 S:T ratio 32
📚 AP courses 100
🌟 Gifted program 70
🎓 Counselors 60
📋 Attendance 55
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Mililani High School earns 63/100 on the Resource Investment Index, with class sizes larger than 90% of Hawaii schools. It is also one of the largest schools in Hawaii.
- #2 of 7
- public schools in Mililani · Resource Index
- 63
- Resource Index · Higher
- 17:1
- large classes for Hawaii
- 13.4%
- free-lunch eligible
Mililani High School has class sizes larger than 90% of Hawaii schools. Computed live against every Hawaii school reporting to NCES.
By Resource Investment Index, Mililani High School ranks #2 of 7 public schools in Mililani, HI.
School address
District: Hawaii Department of Education · Hawaii
NCES ID 150003000102 Verify on NCES CCD record →
Teachers (FTE)
151.0
Federal CCD staff survey
Students per teacher
17:1
vs 14.3:1 Hawaii avg
+19% vs state
Free-lunch eligible
13.4%
vs 40.0% Hawaii avg
-67% vs state
Student-teacher ratio in context
How Mililani High School compares with Hawaii and U.S. medians
What stands out at Mililani High School
Mililani High School is a lower-poverty, large high school in Mililani, Hawaii, enrolling 2,382 students.
Class loads run heavy: 17:1 is larger than about 90% of Hawaii schools and 19% above the 14.3:1 state mean, so each teacher carries more students than is typical.
Comparatively few students face economic hardship here, 13.4% free-meal eligibility runs 67% below the Hawaii average.
By headcount it is one of the larger campuses in Hawaii, bigger than 99% of state schools at 2,382 students.
Its Resource Investment Index outscores 94% of the 295 Hawaii schools with a score on record, a top-tier result on this measure.
Its student body is led by Asian (31%) and Two or More (28%) (diversity index 77/100).
On the academic-pipeline side it reports 37 Advanced Placement courses.
Counselor coverage is strong, about 199 students per counselor, inside the American School Counselor Association's recommended 250:1.
Attendance runs somewhat below the norm, with 18.0% of students chronically absent per the 2021-22 civil-rights collection.
Hawaii Department of Education also operates James Campbell High School (2,890 students) and Waipahu High School (2,538 students) alongside Mililani High School.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Mililani High School compares
Mililani High School on the metrics families compare, against Hawaii and U.S. means.
| Metric | This school | vs Hawaii | Hawaii avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 17:1 | ▲ 19% | 14.3:1 | 15.7:1 |
| Free-lunch eligible | 13.4% | ▼ 67% | 40.0% | 51.7% |
| Enrollment | 2,382 | top 1% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
17:1
Leaner classes than 31% of US schools, heavier class loads than most.
2,382
Bigger than 99% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
13.4%
free-lunch eligible
- 67% below the Hawaii average of 40.0%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
17:1
students per teacher
- 19% above state mean
Top 90% in Hawaii - lower ratio than 10% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
18.0%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$17,420
per pupil, district-wide
- above Hawaii avg of $17,420
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors12.0 FTE
Per 199 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 47 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 2.0 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
Asian 30.5%
Two or More 28.0%
Hispanic or Latino 20.0%
Native Hawaiian / Pacific Islander 11.5%
White 8.4%
African American 1.6%
Largest group: Asian at 30.5% of enrollment.
Student-body diversity index 76.8/100
Simpson diversity index - at 76.8, Mililani High School is more mixed than the Hawaii school average of 69.6.
Programs
AP courses offered 37
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Hawaii Department of Education, which includes Mililani High School.
$17,420
Per student
+0%
vs Hawaii
Avg $17,420
+5%
vs U.S.
Avg $16,593
Revenue mix
Local 0.8%
State 84.7%
Federal 14.5%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Mililani High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| James Campbell High School | Similar size | Higher economic need | Similar S:T ratio |
| Waipahu High School | Similar size | Higher economic need | Similar S:T ratio |
| Governor Wallace Rider Farrington High School | Similar size | Higher economic need | Similar S:T ratio |
| Moanalua High School | Similar size | Similar economic need | Similar S:T ratio |
| Hawaii Technology Academy - Pcs | Similar size | Similar economic need | Similar S:T ratio |
Comparisons are relative to Mililani High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,890
- Students per teacher
- 16.5:1
- Resource Index
- 43/100
- Enrollment
- 2,538
- Students per teacher
- 16.1:1
- Resource Index
- 46/100
- Enrollment
- 2,094
- Students per teacher
- 16:1
- Resource Index
- 33/100
- Enrollment
- 1,966
- Students per teacher
- 17.1:1
- Resource Index
- 53/100
- Enrollment
- 1,924
- Students per teacher
- 16.1:1
- Resource Index
- 50/100
Next steps
Verify locally before acting on Mililani High School's federal record.
- Compare Mililani High School against another school. Compare schools
- Hawaii Department of Education's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Mililani High School
How many students attend Mililani High School?
Mililani High School has 2,382 students enrolled. It is a high school in Mililani, HI.
What is the student-teacher ratio at Mililani High School?
The student-teacher ratio at Mililani High School is 17:1, which is 19% higher than the Hawaii average of 14.3:1 and 8% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Mililani High School?
13.4% of students at Mililani High School are eligible for free lunch, compared to the Hawaii average of 40.0%.
What is the racial and ethnic makeup of Mililani High School?
The largest demographic group at Mililani High School is Asian at 30.5% of enrollment, in Mililani, HI. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 76.8/100.
What is the Resource Investment Index for Mililani High School?
Mililani High School has a Resource Investment Index of 63/100 (higher reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Mililani High School rank among public schools in Mililani?
By Resource Investment Index, Mililani High School ranks #2 of 7 public schools in Mililani, HI. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Mililani on the city page.
Is Mililani High School a good school?
Mililani High School earns 63/100 on the Resource Investment Index, with class sizes larger than 90% of Hawaii schools. It is also one of the largest schools in Hawaii. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Hawaii Department of Education?
Besides Mililani High School, Hawaii Department of Education also operates James Campbell High School (2,890 students), Waipahu High School (2,538 students), and Governor Wallace Rider Farrington High School (2,094 students). See the Hawaii Department of Education district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.