Enrollment
997
Hawaii · 2024-25 NCES data
High school (grades 9-12) · Kaneohe, HI
Castle High School
Federal NCES profile for Castle High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 45/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 150003000100
👥 S:T ratio 49
📚 AP courses 40
🌟 Gifted program 70
🎓 Counselors 67
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Castle High School earns 45/100 on the Resource Investment Index, with class sizes smaller than 72% of Hawaii schools.
- #2 of 12
- public schools in Kaneohe · Resource Index
- 45
- Resource Index · Typical
- 12.8:1
- small classes for Hawaii
- 35.8%
- free-lunch eligible
Castle High School has class sizes smaller than 72% of Hawaii schools. Computed live against every Hawaii school reporting to NCES.
By Resource Investment Index, Castle High School ranks #2 of 12 public schools in Kaneohe, HI.
School address
District: Hawaii Department of Education · Hawaii
NCES ID 150003000100 Verify on NCES CCD record →
Teachers (FTE)
78.0
Federal CCD staff survey
Students per teacher
12.8:1
vs 14.1:1 Hawaii avg
-9% vs state
Free-lunch eligible
35.8%
vs 40.0% Hawaii avg
-11% vs state
Student-teacher ratio in context
How Castle High School compares with Hawaii and U.S. medians
What stands out at Castle High School
Castle High School is a large high school in Kaneohe, Hawaii, enrolling 997 students.
Class sizes run a bit leaner than typical: 12.8:1 puts it in the smaller third of Hawaii schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 35.8% of students eligible for free meals.
Enrollment of 997 puts it in the larger third of Hawaii schools by headcount.
Its Resource Investment Index lands in the upper third of 295 scored Hawaii schools.
Against 51 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #7.
Its student body is led by Native Hawaiian / Pacific Islander (36%) and Two or More (22%) (diversity index 75/100).
On the academic-pipeline side it reports 8 Advanced Placement courses.
Counselor coverage is strong, about 166 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 46.0% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The federal civil-rights collection also records 1 expulsion at this campus for 2021-22.
Hawaii Department of Education also operates James Campbell High School (2,890 students) and Waipahu High School (2,538 students) alongside Castle 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 Castle High School compares
Castle 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 | 12.8:1 | ▼ 9% | 14.1:1 | 15.7:1 |
| Free-lunch eligible | 35.8% | ▼ 11% | 40.0% | 51.7% |
| Enrollment | 997 | top 11% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
12.8:1
Leaner classes than 68% of US schools, among the more generously staffed nationally.
997
Bigger than 91% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
35.8%
free-lunch eligible
- 11% 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
12.8:1
students per teacher
- 9% below state mean
Top 28% in Hawaii - lower ratio than 72% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
46.0%
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
Counselors6.0 FTE
Per 166 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 27 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 2.7 per 100 students. Reported via the Civil Rights Data Collection. Includes 1 expulsion.
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 36.0%
Two or More 22.3%
Hispanic or Latino 21.8%
Asian 13.1%
White 6.3%
African American 0.5%
Largest group: Native Hawaiian / Pacific Islander at 36.0% of enrollment.
Student-body diversity index 75.2/100
Simpson diversity index - at 75.2, Castle High School is more mixed than the Hawaii school average of 69.6.
Programs
AP courses offered 8
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Hawaii Department of Education, which includes Castle 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 Castle High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| James Campbell High School | Larger | Lower economic need | Higher S:T ratio |
| Waipahu High School | Larger | Similar economic need | Higher S:T ratio |
| Mililani High School | Larger | Lower economic need | Higher S:T ratio |
| Governor Wallace Rider Farrington High School | Larger | Similar economic need | Higher S:T ratio |
| Moanalua High School | Larger | Lower economic need | Higher S:T ratio |
Comparisons are relative to Castle 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
- 15.7:1
- Resource Index
- 44/100
- Enrollment
- 2,538
- Students per teacher
- 15.4:1
- Resource Index
- 47/100
- Enrollment
- 2,382
- Students per teacher
- 15.8:1
- Resource Index
- 56/100
- Enrollment
- 2,094
- Students per teacher
- 15:1
- Resource Index
- 34/100
- Enrollment
- 1,966
- Students per teacher
- 16.2:1
- Resource Index
- 54/100
Similar high 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.
Similar enrollment (~997 students)
Similar student-teacher ratio (~12.8:1)
Next steps
Verify locally before acting on Castle High School's federal record.
- Compare Castle 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 Castle High School
How many students attend Castle High School?
Castle High School has 997 students enrolled. It is a high school in Kaneohe, HI.
What is the student-teacher ratio at Castle High School?
The student-teacher ratio at Castle High School is 12.8:1, which is 9% lower than the Hawaii average of 14.1:1 and 18% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Castle High School?
35.8% of students at Castle High School are eligible for free lunch, compared to the Hawaii average of 40.0%.
What is the racial and ethnic makeup of Castle High School?
The largest demographic group at Castle High School is Native Hawaiian / Pacific Islander at 36.0% of enrollment, in Kaneohe, HI. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 75.2/100.
What is the Resource Investment Index for Castle High School?
Castle High School has a Resource Investment Index of 45/100 (typical 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 Castle High School rank among public schools in Kaneohe?
By Resource Investment Index, Castle High School ranks #2 of 12 public schools in Kaneohe, 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 Kaneohe on the city page.
Is Castle High School a good school?
Castle High School earns 45/100 on the Resource Investment Index, with class sizes smaller than 72% 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 Castle High 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.
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.