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What's one thing Castle High School gets right about preparing students for what comes next?
Community prompt from u/allk12. Replies below.
Enrollment
997
High
DISTRICT 1,058 · STATE 1,058
SCHOOL COMMUNITY·HAWAII DEPARTMENT OF EDUCATION·NCES 150003000100
Castle High School
45-386 Kaneohe Bay Dr, Kaneohe, HI 96744 · (808) 233-5600 · Honolulu County
GRADES 09–12HIGH22-SUBURBTITLE IREGULAR SCHOOL997 STUDENTS
C+
allk12 Grade
Scored higher than 35% of Hawaii public high schools
- C+Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- ·Beats expectations Not available for this school, so the grade uses the other parts.
- ·Three-year trend Not available for this school, so the grade uses the other parts.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Hawaii public high schools
Student : Teacher
12.0:1
83 FTE teachers
DISTRICT 14.4:1 · STATE 14.4:1
Free / Reduced Lunch
49%
484 students
DISTRICT 49% · STATE 49%
Community
5
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 9 | 278 | 28% |
| Grade 10 | 222 | 22% |
| Grade 11 | 254 | 25% |
| Grade 12 | 232 | 23% |
| Ungraded | 11 | 1% |
Student demographics
75%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 79% · STATE 79% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Test scores
Strive HI 2024-25 . % ProficientEnglish Language Arts
56.0%
HI avg 52.0%
Math
14.0%
HI avg 41.9%
What this means: On the Strive HI, Hawaii's statewide test, about 56 of every 100 students at this school read and write at grade level and about 14 of 100 do math at grade level. Across all Hawaii schools, those numbers are about 52 and 42.
Source: Strive HI. All students, all grades. See all years and grades →
Schools most like Castle High School
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Castle High School this school | 997 | 48.5% | N/A |
| Hilo High School Hilo | 1,170 | 50.1% | N/A |
| Kailua High School Kailua | 795 | 47.9% | N/A |
| Henry Perrine Baldwin High School Wailuku | 1,266 | 45.3% | N/A |
| Honokaa High & Intermediate School Honokaa | 695 | 52.9% | N/A |
| Kealakehe High School Kailua-Kona | 1,401 | 51.1% | N/A |
Matched among Hawaii high schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where Castle High School ranks
Among high schools| Measure | This school | In Hawaii | In Honolulu County |
|---|---|---|---|
| Math proficiency ranked highest first | 14.0% | #33 of 43 | #20 of 25 |
| Reading proficiency ranked highest first | 56.0% | #17 of 43 | #14 of 25 |
| Enrollment ranked largest first | 997 | #25 of 46 | #16 of 27 |
| Students per teacher ranked fewest first | 12.0:1 | #4 of 41 | #3 of 23 |
| Diversity index ranked most diverse first | 75.2% | #23 of 41 | #10 of 23 |
| Free and reduced lunch ranked highest share first | 48.5% | #21 of 43 | #10 of 25 |
| Enrollment change since 2017-18 ranked steepest decline first | -15.0% | #4 of 23 | #3 of 17 |
Ranked against other public high schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
997
-130 (-12%) vs 2020
-42% since 1990-91, when it was 1,723
Student : Teacher
12.0:1
was 14.4:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 997 | 83 | 12.0:1 | 49% (484) |
| 2023-24 | 1,036 | 82.5 | 12.6:1 | 46% (479) |
| 2022-23 | 1,108 | 78.5 | 14.1:1 | 47% (517) |
| 2020-21 | 1,127 | 78 | 14.4:1 | 44% (501) |
| 2017-18 | 1,173 | 80 | 14.7:1 | 38% (447) |
| 2015-16 | 1,179 | 78 | 15.1:1 | 43% (506) |
| 2010-11 | 1,350 | 91 | 14.8:1 | 38% (513) |
| 2000-01 | 1,869 | 111 | 16.8:1 | 30% (561) |
| 1990-91 | 1,723 | 89 | 19.4:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Castle High School.
Since 2017-18: students down 15% (1,173 to 997); teachers up 4% (80 to 83).
About Castle High School
Castle High School is a medium-sized high school found in Kaneohe, Hawaii. The school's 997 students are in grades 9 through 12.
District-wide, Hawaii Department of Education has 296 schools and 167,071 students.
No single group makes up more than half of enrollment at Castle High School. The largest is Pacific Islander students, at 36%. The next largest groups are 22% multiracial, 22% Hispanic, 13% Asian, and 6% White. Pick two students at random and there is a 75% chance they belong to different racial or ethnic groups; that figure is the school's diversity index.
Federal data list 83 full-time-equivalent teachers at Castle High School in 2024-25, for a ratio of 12.0:1. That is 2.4 students per teacher below the 14.4:1 average for high schools in Hawaii. The school's rate of free or reduced-price lunch eligibility is 49%.
The allk12 Grade for Castle High School is C+. Compared with Hawaii public high schools, the school scored higher than 35% on a mix of test scores, poverty-adjusted results, and recent trend.
Castle High School is located in Honolulu County, where the median household income is $106,195, 39% of adults hold a bachelor's degree or higher, and about 6% of residents live below the federal poverty line. Castle High School is one of 187 public schools in the county.
Puohala Elementary School is the public school closest to Castle High School, about 0.5 miles away. There are at least 8 other public schools within five miles.
In the federal locale system, Castle High School is coded Suburb: Mid-size, for schools in a suburban area outside a principal city, within an urbanized area with a population between 100,000 and 250,000.
Over 4 years, Castle High School's enrollment dropped 12%, to 997. The student-to-teacher ratio fell from 14.4:1 in 2020-21 to 12.0:1 in 2024-25.
Questions about enrollment questions, class placement, and PTA news can be posted here. Questions from prospective families are welcome too.
Honolulu County at a glance
View full county profilePopulation
1,001,146
Census ACS
Median income
$106,195
Household, ACS
Bachelor's+
39%
Adults 25+
Poverty rate
6%
Below federal line
Schools in county
187
111,011 students
Quick facts
Related schools
Other schools in Hawaii Department of Education
- James Campbell High SchoolHigh · 2,890 students
- Waipahu High SchoolHigh · 2,538 students
- Mililani High SchoolHigh · 2,382 students
- Governor Wallace Rider Farrington High SchoolHigh · 2,094 students
- Moanalua High SchoolHigh · 1,966 students
- Hawaii Technology Academy - PCSCombined · 1,924 students
Other schools in Kaneohe
- Kaneohe Elementary SchoolElementary · 546 students
- Governor Samuel Wilder King Intermediate SchoolMiddle · 513 students
- Kapunahala Elementary SchoolElementary · 435 students
- Heeia Elementary SchoolElementary · 358 students
- Puohala Elementary SchoolElementary · 320 students
- Ahuimanu Elementary SchoolElementary · 285 students
Other Castle High schools
One other US public school is named Castle High. Castle High School is the 2nd largest of the 2.
- Castle High SchoolNewburgh, IN · 1,953 students
Nearby schools
- Puohala Elementary School0.5 mi · 320
- Kaneohe Elementary School0.5 mi · 546
- Kapunahala Elementary School0.7 mi · 435
- Reverend Benjamin Parker Elementary School0.8 mi · 234
- Hakipuu Academy1.1 mi · 55
- Heeia Elementary School1.4 mi · 358
Frequently asked questions
About Castle High SchoolHow many students attend Castle High School?
Castle High School enrolls approximately 997 students in grades 09-12.
What grades does Castle High School serve?
Castle High School serves grades 09-12.
How many students per teacher at Castle High School?
Approximately 12.0:1 students per teacher at Castle High School.
How diverse is Castle High School?
Castle High School reports a student body of 6% White, 22% Hispanic, 1% Black, 13% Asian, 22% Two or more.
Is Castle High School public or private?
Castle High School is a public K-12 school, overseen by Hawaii Department of Education.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.