What Castle High School does

Castle High School, formally James B. Castle High School, is a public secondary school located at 45-386 Kaneohe Bay Drive in Kaneohe, Hawaii, operating under the Hawaii State Department of Education (HIDOE) as a government state entity. It serves approximately 1,000 students in grades 9-12 and is the largest of four high schools in the Windward District on the island of Oahu, drawing from a socio-economically diverse catchment area that spans suburban Kaneohe to rural Kualoa. The school operates under a public funding model with no tuition charged to students, with all operational revenue derived from state and federal government appropriations through HIDOE.

The school's academic portfolio is organized around a structured academy and pathway system that segments curriculum into career-themed clusters. Specialized programs include Early College and Running Start, which enable students to earn concurrent college credit through partnerships with local colleges, Advanced Placement (AP) courses, and the AVID (Advancement Via Individual Determination) college readiness program designed to close the achievement gap. Career and technical education is delivered through a Work-Based Learning program that links academic instruction with workplace experience via local business partnerships. As a graduation requirement, seniors complete a Portfolio Defense capstone presentation, and the school also offers summer school for remediation and acceleration.

Castle High School's operations are governed entirely by HIDOE with no independent ownership, no commercial revenue streams, and no disclosed alternative funding sources. The school employs 11-50 documented staff (likely a partial count) and uses multiple communications channels including an official website (castlehs.k12.hi.us), an Instagram account (castlehs_k12), the Knightly News newsletter, and a Daily Bulletin system to engage students, families, and the broader Windward Oahu community. The school's geographic catchment creates a captive enrollment base within HIDOE's residential-assignment system, and its role as the largest of four district high schools supports a broader academic program than smaller peer schools.

Name

Castle High School

Legal name

James B. Castle High School

Website

https://castlehs.k12.hi.us

Company type

Public

Operating status

Operating

Headcount range

11–50 employees

Short description

Castle High School is a public HIDOE-operated high school in Kaneohe, Hawaii, serving approximately 1,000 students in grades 9-12 from the Windward Oahu catchment area. It offers academies, AP, dual-credit, AVID, and work-based learning programs funded by state appropriations.

Ownership category

akta.pro rank

NAICS

Elementary and Secondary Schools (6111), Elementary and Secondary Schools (611110)

SIC

Services-Educational Services (8200)

akta.pro primary industry

Public High Schools (EDAJAAAD)

Keywords

• Secondary education
• High school programs
• College preparation
• Career pathways
• Public education

Headquarters

HQ city

Kaneohe, Hawaii

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2C

Offering type

Services

Cost components

Personnel, Operations, Infrastructure, Technology or R&D

Distribution channels1 record

Marketing channels4 records

Core offering

Castle High School is a public high school serving approximately 1,000 students in grades 9-12 in Kaneohe, Hawaii, operating under the Hawaii State Department of Education. It delivers a comprehensive secondary education program that includes academies and career pathways, Advanced Placement courses, Early College and Running Start dual-credit programs, AVID college readiness, work-based learning, and a senior Portfolio Defense capstone, alongside athletics, performing arts, counseling, and student activities.

Product overview

Castle High School offers a comprehensive educational program for approximately 1,000 students in Kaneohe, Hawaii. The school's academic offerings include a structured academy and pathway system with specialized programs such as Early College and Running Start (allowing students to earn college credits), Advanced Placement (AP) courses, and the AVID college readiness program. Career and technical education is provided through work-based learning opportunities. As a graduation requirement, seniors complete a Portfolio Defense presentation. The school also offers summer school programs for extended learning, counseling services, and college and career preparation resources through a dedicated College & Career Resource Center.

Differentiator

Problem solved

Functional benefit

Segments1 record

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Scale indicators2 records

Recent moves6 records

Expansion highlights4 records

Direct peers

• Farrington High School: Public high school within the Hawaii DOE system serving a diverse student population in Honolulu. Comparable as a HIDOE school of comparable scale operating similar AP, AVID, and career pathway programs.
• Kalaheo High School: Public high school in the Windward District of Hawaii DOE serving Kailua-area students. Directly comparable as the fourth Windward District peer to Castle, sharing catchment-area dynamics and HIDOE accountability frameworks.
• Roosevelt High School: Large urban public high school within the Hawaii DOE system on Oahu. Comparable as a HIDOE-operated high school with similar academic programming (AP, athletics, performing arts) and similar student-support infrastructure (counseling, college/career resources).
• Campbell High School: Largest public high school in Hawaii by enrollment, operated by HIDOE in the Leilehua Complex Area on Oahu. Comparable to Castle as a large HIDOE high school offering comprehensive academic programs, multiple academies, and broad extracurricular portfolios.
• McKinley High School: Public high school in the Honolulu District of Hawaii DOE. Comparable as a HIDOE-operated high school with similar academic and extracurricular programming and similar urban/suburban student demographic mix.
• Mililani High School: High-performing public high school within HIDOE's Mililani Complex Area on Oahu. Comparable as a HIDOE high school with strong AP and college-prep offerings, similar competitive positioning in state rankings, and similar suburban-to-rural catchment dynamics.
• Kahuku High School: Public high school in the Windward District of Hawaii DOE serving the Kahuku area on Oahu's north shore. Directly comparable as one of the four Windward District high schools competing with Castle for enrollment, funding, and programmatic differentiation.
• Kailua High School: Public high school in the Windward District of Hawaii DOE serving Kailua. Directly comparable as the closest geographic peer to Castle within the same district, sharing HIDOE governance, funding structure, and student demographics.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Key risks4 records

Key highlights5 records

Customer concentration

• Instagraminstagram.com/castlehs_k12
• LinkedInlinkedin.com/school/castle-high-school

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Castle High School