- Enrollment
- 2,890
- Students per teacher
- 15.7:1
- Resource Index
- 44/100
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 46/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 150003000100
👥 S:T ratio 49
🌟 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 46/100 on the Resource Investment Index, with class sizes smaller than 72% of Hawaii schools.
- #2 of 12
- public schools in Kaneohe · Resource Index
- 46
- 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 →
CCD year-over-year · 2022-23 → 2023-24
-72 students YoY
Castle High School shrank from 1,108 students in 2022-23 to 1,036 in 2023-24 (-6.5%).
Teacher FTE added 78.5 → 82.5 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Shrinking CCD campus
-72 students YoY 150003000100 · Kaneohe, HI High · MID · TRAD
997 enr · 12.8:1 · 35.8% lunch · RII 46
Nearest enrollment peer: James Campbell High School (2,890 students)
Castle High School shrank from 1,108 students in 2022-23 to 1,036 in 2023-24 (-6.5%). Teacher FTE added 78.5 → 82.5 across the same CCD years. Read with this school → · District book → · Hawaii schools → · Find another →
Castle High School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- James Campbell
James Campbell High School
2,890 students
- Waipahu High S
Waipahu High School
2,538 students
- Mililani High
Mililani High School
2,382 students
- Governor Walla
Governor Wallace Rider Farrington High School
2,094 students
- Moanalua High
Moanalua High School
1,966 students
- This school 997
Castle High School
997 students
What this shows Castle High School reports 997 students on the CCD universe file.
How Castle High School compares
Castle High School is a shrinking campus on CCD: ratios and free-lunch share vs 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 methodology
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
$20,056
per pupil, district-wide
- above Hawaii avg of $20,056
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
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.
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
District finance for Hawaii Department of Education reports $20,056 per pupil (NCES F-33) - open the district page for the full revenue mix.
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
- 2,538
- 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
Nationwide high schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~997 students)
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. CCD year-over-year: 1,108 (2022-23) → 1,036 (2023-24), down 72.
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 46/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. 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.
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.