Middle school (grades 6-8) · Wailuku, HI

Iao Intermediate School

Federal NCES profile for Iao Intermediate School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 36/100.

2024-25 NCES dataMiddle school (grades 6-8)NCES 150003000059
0/100100/10036/100
👥 S:T ratio
34
🌟 Gifted program
70
🎓 Counselors
40
📋 Attendance
0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

Iao Intermediate School earns 36/100 on the Resource Investment Index, with class sizes larger than 85% of Hawaii schools.

#2 of 5
public schools in Wailuku · Resource Index
36
Resource Index · Typical
16.5:1
large classes for Hawaii
37.8%
free-lunch eligible

Iao Intermediate School has class sizes larger than 85% of Hawaii schools. Computed live against every Hawaii school reporting to NCES.

By Resource Investment Index, Iao Intermediate School ranks #2 of 5 public schools in Wailuku, HI.

Enrollment

893

Hawaii · 2024-25 NCES data

Teachers (FTE)

54.0

Federal CCD staff survey

Students per teacher

16.5:1

vs 14.1:1 Hawaii avg

+17% vs state

Free-lunch eligible

37.8%

vs 40.0% Hawaii avg

-6% vs state

Student-teacher ratio in context

How Iao Intermediate School compares with Hawaii and U.S. medians

Slightly above state median

Source: NCES Common Core of Data As of 2024-25 federal staff survey Total enrollment ÷ full-time-equivalent classroom teachers

What stands out at Iao Intermediate School

Iao Intermediate School is a large middle school in Wailuku, Hawaii, enrolling 893 students.

Class loads run somewhat heavier than typical: 16.5:1 puts it in the larger third of Hawaii schools by student-teacher ratio.

Its free-meal eligibility rate of 37.8% lands close to the Hawaii typical range, neither a high- nor low-need campus by this measure.

Enrollment of 893 puts it in the larger third of Hawaii schools by headcount.

Its Resource Investment Index sits near the middle of the pack among 295 scored Hawaii schools.

Against 56 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #23.

Its student body is led by Native Hawaiian / Pacific Islander (32%) and Hispanic or Latino (23%) (diversity index 76/100).

Counselor coverage runs a bit thin, about 298 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.

Chronic absenteeism is elevated: 40.0% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).

Discipline events run high: 194 in- and out-of-school suspensions were reported for 893 students in the 2021-22 Civil Rights Data Collection.

Hawaii Department of Education also operates James Campbell High School (2,890 students) and Waipahu High School (2,538 students) alongside Iao Intermediate 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 Iao Intermediate School compares

Iao Intermediate 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 16.5:1 ▲ 17% 14.1:1 15.7:1
Free-lunch eligible 37.8% ▼ 6% 40.0% 51.7%
Enrollment 893 top 14% - -

Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25

16.5:1
Leaner classes than 34% of US schools, a middle-of-the-pack class size.
893
Bigger than 89% of US schools by enrollment, a large campus nationally.

Equity indicators (what these measure)

Economic need
37.8%
free-lunch eligible - 6% below the Hawaii average of 40.0%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
16.5:1
students per teacher - 17% above state mean
Top 85% in Hawaii - lower ratio than 15% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
40.0%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
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
Counselors3.0 FTE
Per 298 students, the combined health-and-guidance staffing load for this school.
Discipline context
88
in-school suspensions + 106 out-of-school
Suspension rate: 9.9 per 100 students. Combined in-school and out-of-school rate: 21.7 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

Native Hawaiian / Pacific Islander 32.0%
Hispanic or Latino 22.5%
Two or More 21.7%
Asian 18.4%
White 5.0%
American Indian / Alaska Native 0.2%
African American 0.1%

Largest group: Native Hawaiian / Pacific Islander at 32.0% of enrollment.

Student-body diversity index 76.4/100

Simpson diversity index - at 76.4, Iao Intermediate School is more mixed than the Hawaii school average of 69.6.

Programs

Gifted & talented Yes

Funding & spending

District-wide per-pupil expenditure for Hawaii Department of Education, which includes Iao Intermediate 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 Iao Intermediate School Compares to District-Mates

School Enrollment Economic Profile Student-Teacher Ratio
James Campbell High School Larger Lower economic need Similar S:T ratio
Waipahu High School Larger Similar economic need Similar S:T ratio
Mililani High School Larger Lower economic need Similar S:T ratio
Governor Wallace Rider Farrington High School Larger Similar economic need Lower S:T ratio
Moanalua High School Larger Lower economic need Similar S:T ratio

Comparisons are relative to Iao Intermediate School's own figures; each column derives from NCES Common Core of Data.

Other Schools in This District

Hawaii Department Of Education · 5 sibling schools

View district profile

Similar middle schools statewide

Matched by enrollment size and by staffing ratio across all of Hawaii, not just this city - a different peer set than the local comparisons above.

Next steps

Verify locally before acting on Iao Intermediate School's federal record.

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 Iao Intermediate School

How many students attend Iao Intermediate School?

Iao Intermediate School has 893 students enrolled. It is a middle school in Wailuku, HI.

What is the student-teacher ratio at Iao Intermediate School?

The student-teacher ratio at Iao Intermediate School is 16.5:1, which is 17% higher than the Hawaii average of 14.1:1 and 5% higher than the national average of 15.7:1.

What percentage of students receive free lunch at Iao Intermediate School?

37.8% of students at Iao Intermediate School are eligible for free lunch, compared to the Hawaii average of 40.0%.

What is the racial and ethnic makeup of Iao Intermediate School?

The largest demographic group at Iao Intermediate School is Native Hawaiian / Pacific Islander at 32.0% of enrollment, in Wailuku, HI. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 76.4/100.

What is the Resource Investment Index for Iao Intermediate School?

Iao Intermediate School has a Resource Investment Index of 36/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).

How does Iao Intermediate School rank among public schools in Wailuku?

By Resource Investment Index, Iao Intermediate School ranks #2 of 5 public schools in Wailuku, 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 Wailuku on the city page.

Is Iao Intermediate School a good school?

Iao Intermediate School earns 36/100 on the Resource Investment Index, with class sizes larger than 85% of Hawaii schools. 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 Iao Intermediate School, Hawaii Department of Education also operates James Campbell High School (2,890 students), Waipahu High School (2,538 students), and Mililani High School (2,382 students). See the Hawaii Department of Education district page for the complete list.

Source: National Center for Education Statistics (NCES) CCD + Public School Universe (2024-25), CRDC (2021-22), F-33 District Finance Survey (FY 2021-22) · 2024-25 Data as of the 2024-25 school year. Coverage from U.S. Department of Education NCES Common Core of Data. Varies by entity type; administrative districts and certain charter networks may report only a subset of fields.

All federal data sources used on this page

Full source list and how we compute each figure: methodology page.

View saved

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.