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California Prep International School

Thailand, Saraburi

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The school at a glance
Instructs in English
Fees THB 84,000 - 107,000
Ages 3 - 18 years
Pupil numbers 150
Type Co-educational (boarding)
Opened  2010
Bus Service Yes
Academic offering
Curriculum American Curriculum
Taught languages Mandarin, Thai
Typical class size 15
Strengths STEM, Academic Enrichment, Service and Sustainability
Clubs Arts and Creative, Community and Service, Leadership and Professional
Stages Early Years, Primary School, Middle School, High School
Introduction

California Prep International School (CPIS), in Saraburi’s Kaeng Khoi district, offers Kindergarten through Grade 12 education using the California Department of Education curriculum adapted to local needs. Founded in 2010 and licensed in 2011, the school is among Thailand’s first fully e‑learning international schools, blending in‑person teaching with digital learning tools. Students engage in core subjects like English, Math, Science, Business, as well as Thai and Chinese, with STEM introduced as a formal subject since 2019. CPIS supports academic progress through SAT, TOEFL, and AP preparation, and students participate in community service initiatives such as orphanage visits. The school emphasizes self‑discipline, character, and talent development through enrichment programs, choir and band performances, and leadership training. With tuition ranging approximately. 72,000–95,000 THB annually, it serves a multicultural student body aged 3–18. As a co‑educational day school situated in a quieter region of central Thailand, it provides a focused environment for families seeking an American-style curriculum delivered through modern, technology‑enhanced methods.

9 Moo 11, Tambon Banpa, Amphur Kaeng Khoi, Saraburi 18000, Thailand.

The Essentials

California Prep International School has 150 pupils, typical class sizes of 15, instruction in English.

Location
California Prep International School is located in Kaeng Khoi district, Saraburi province, central Thailand. The campus is situated along Mittraphap (Friendship) Road, providing road connections to Bangkok and the northeast region. The area is semi-rural, offering a quieter setting within reach of transport links and local communities.

Stages
The school provides education from Kindergarten (starting at age 3) through Grade 12 (up to age 18). It is divided into Early Years, Elementary, Middle School, and High School, following a U.S. grade structure.

Type
California Prep is a co-educational international school. While primarily a day school, it also offers boarding facilities for both Thai and foreign students.

Additional learning support
The school does not publicly disclose information regarding Special Educational Needs (SEN) or additional learning support provision.

Country affiliation
The school follows the California Department of Education curriculum, but it is not officially affiliated with any country’s government.

Religious affiliation
The school does not state a formal religious affiliation.

School day structure
Specific daily start and end times, as well as details on breaks and lunch periods, are not publicly disclosed.

Bus service
California Prep International School provides a van service for students. The service is arranged through the school, and families can obtain route and fee details directly from the admissions office. Information is also included in the admissions documents and fee schedules. This option supports families living in surrounding areas who prefer organized transport to and from the campus.
Diving Deeper

Governance and Ownership
California Prep International School was founded on November 14, 2010 by Phakdee Mangmiwatthana (Ph.D.) and Adelino Libato (Ph.D.). Mangmiwatthana is the Licensee, Director, and Co-Founder; Libato is the Co-Board Chairman and Co-Founder. Governance is provided by the school's administration and a board.
Fees

Annual tuition at California Prep International School ranges from THB 84,000 to THB 107,000 for 2026/27.

Application Fees
A one-time Application and Assessment Fee of THB 1,000 is required for all new students.
In addition, a Development and Registration Fee applies: THB 40,000 for Thai day students,
THB 50,000 for foreign day students, and THB 80,000 for boarding students.
A refundable security deposit of THB 5,000 (day students) or THB 10,000 (boarding students)
is also required and returned upon withdrawal if school conditions are met.

Tuition Fees (Per Year)

American Curriculum Stream
PK – K3: THB 62,000
Grade 1 – 3: THB 72,000
Grade 4 – 5: THB 75,000
Grade 6 – 7: THB 78,000
Grade 8 – 9: THB 80,000
Grade 10 – 11: THB 83,000
Grade 12: THB 85,000

Fees are billed by semester, with one-time fees charged in the first semester of enrollment.

Additional Fees
Textbooks and eBooks: THB 5,000 per semester
Activities and field trips: THB 3,500 per semester (or THB 6,500 annually if prepaid)
STEM and technology fee: THB 2,500 per semester
Graduation fee: THB 2,000 for K3 and Grade 5; THB 2,500 for Grade 8 and Grade 12
Uniform: THB 4,000 (one-time)

Transportation Fees
The school offers a van service. Fees and routes are arranged directly through the Admissions and Finance Office,
with details provided to parents at the time of enrollment.

Boarding Fees
Boarding is available from Grade 1 upwards.
The cost is THB 65,000 per year plus THB 1,000 per weekend for Grades 1–3,
THB 60,000 per year for Grades 4–12,
or THB 85,000 per year for a full seven-day boarding option.
Foreign students also pay health insurance (THB 14,000 per year) and a student visa fee (THB 5,000 per year).

Refund Policy
The refundable security deposit is returned when a student withdraws, provided conditions are met.
Other refund policies are not specified.

Payment Options
Payments can be made via bank transfer to the school’s Kasikorn Bank account.
Academics

California Prep International School teaches American Curriculum for students aged 3 to 18.

Curriculum
California Prep International School delivers an American curriculum aligned with the California Department of Education. The program runs from Kindergarten (age 3) through Grade 12 (age 18), with English as the primary language of instruction and Thai and Chinese taught as additional languages. In the early years and primary levels, students focus on foundational literacy, numeracy, and inquiry-based learning. Middle and high school expand into specialized streams such as Business/English, Business/Computer, and Math/Science, alongside compulsory subjects in Science, Mathematics, and Humanities. Since 2019, STEM has been a formal subject across levels, supporting technology skills and applied sciences. At the upper secondary stage, students are prepared for standardized tests, including the TOEFL, SAT, and Advanced Placement (AP) exams, providing pathways to international higher education
Wellbeing

Social and Emotional Learning (SEL)
The school does not publicly disclose information regarding Social and Emotional Learning (SEL) initiatives, staff, or programs on its website.

Special Educational Needs (SEN)
The school does not publicly disclose information regarding Special Educational Needs (SEN) provision.

English as an Additional Language (EAL)
The school does not publicly disclose information regarding EAL support.

Mental Wellbeing
The school does not publicly disclose information regarding mental well-being programs, staff, or initiatives.

Safeguarding
The school does not publicly disclose detailed information on safeguarding or child protection policies. It is, however, accredited by WASC (Western Association of Schools and Colleges) and ONESQA (Office for National Education Standards and Quality Assessment, Thailand), which require member schools to meet baseline standards of student welfare and safety.
Parent Experience

History
California Prep International School was founded in 2007 by a group of Seventh-day Adventist educators with the aim of combining strong academics with values-based education. It operates under the Seventh-day Adventist Church, which is recognized globally for its network of schools and universities. Since its opening, the school has expanded its facilities and programs to serve students from early childhood through Grade 12. Over the years, it has maintained a consistent focus on preparing students for international higher education while fostering a close-knit, values-oriented environment.

Community
The school community is diverse, bringing together students and families from different cultural and linguistic backgrounds. Events such as International Day, Christmas programs, and cultural celebrations are held annually to encourage understanding and appreciation of global traditions. The school also organizes charity drives and outreach programs, strengthening the sense of shared responsibility within the community.

Parent Teacher Association (PTA)
The Parent Teacher Association (PTA) at California Prep International School plays an active role in supporting both academic and extracurricular life. The group helps organize school-wide events such as the International Food Fair, Sports Day, and cultural celebrations. Parents are regularly involved in fundraising projects that contribute to campus improvements and student resources. The PTA also facilitates workshops and parent forums to strengthen home–school collaboration. Through its committees, the PTA builds strong connections between families, teachers, and administrators, ensuring a cooperative approach to student learning and well-being.
Gallery
Facilities

Facilities Overview
The school operates as an international K-12 school in Thailand with a complete e-learning platform. It emphasizes holistic development through the ACE framework.

Sports Facilities
Sports and fitness are part of student life.

Academic Facilities
The school offers K-12 education in Saraburi, Thailand. The curriculum is American-based and contextualized for ASEAN youth. Core subjects are English, Math, Science, and Business, with learning delivered through e-learning. Talent Development and Self-discipline/Values are emphasized. Academic, Character, and Excellence (ACE) guide holistic development.

Extra Curricular Facilities
Pathfinder Club is offered as part of Student Life. Sports and fitness programs are available as part of extracurricular activities. International Day is celebrated as an extracurricular activity.
Extra-Curricular Activities

Academic & Intellectual
The school provides high quality education for K-12. Core subjects include English, Math, Science, and Business, taught with e-Learning plus Talent Development and Self-discipline/Values. Academic, Character, and Excellence (ACE) with holistic development guides the head-heart-hands development. The curriculum is Fully Accredited.

Cultural & Language
Thai and Chinese students, along with international students, are served through an American-based and contextualized curriculum. Global citizenship and ACE holistic development are emphasized. The school hosts cultural events such as International Day and Wai Kru Day.

Social & Hobbies
Pathfinder Club is part of CPIS Student Life. Sports & Fitness are part of CPIS Student Life. STEM Days are held as school events.

Community & Service
The mission emphasizes harmonious development including useful service and global citizenship. Meditation & Week of Prayer are observed as part of the community life. Thai cultural events such as Wai Kru Day and Songkran are celebrated.

Leadership & Professional
Students participate in innovation challenges, including a worldwide public innovation challenge won by a first-year team. Pathfinder Club provides leadership-oriented activities as part of CPIS Student Life.

Lifestyle & Wellbeing
Sports & Fitness are offered as part of CPIS Student Life. Songkran Ceremony is observed as a cultural event. International Day and Wai Kru Day are celebrated as part of community life. Meditation & Week of Prayer are held as part of wellness and spiritual life.
Languages

Language Provision
English is taught as a core subject at California Prep International School. The core subjects include English, Math, Science, and Business with e-Learning. Levels offered include Kindergarten, Elementary, Middle School, and High School.
Reputation

Awards
In 2018, CPIS was named among the “10 Best International Schools in Thailand” by The Knowledge Review magazine. This recognition highlighted the school’s focus on innovation and international education.

Accreditations
WASC (Western Association of Schools and Colleges, USA): CPIS is fully accredited by WASC, which ensures international schools meet U.S. and international quality standards. The school has held a six-year accreditation status.

ONESQA (Office for National Education Standards and Quality Assessment, Thailand): CPIS is accredited by Thailand’s national quality assurance agency, which monitors educational standards across the country.

California Department of Education (CDE): CPIS aligns its curriculum with the CDE framework, ensuring consistency with U.S. state-level standards.

International Schools Association of Thailand (ISAT): CPIS is a member of ISAT, a professional body that represents and supports international schools in Thailand.

AIUFI (Association of International Universities, Foundations, and Institutes): CPIS is affiliated with AIUFI, which links international education institutions for cooperation and exchange.
Admissions

Admissions
1. Families begin by completing the official application form, which is available in English or Thai. An appointment with the Admissions Office should be arranged through the school’s contact channels. At this stage, families should prepare the required documentation, such as identification papers and academic records.

2. Prospective students undergo a placement test to determine their academic level. An interview is conducted with the student, and parents also meet with the Admissions Committee. This step helps ensure that the school understands the student’s background and needs.

3. Parents must submit the completed application form along with supporting documents. For Thai students, this includes copies of the birth certificate, house registration, transcript, and a medical certificate. Non-Thai students must also provide passport copies, a valid visa or work permit of the parent, proof of legal status, and a receipt of escrow deposit.

4. Upon successful assessment and acceptance, families finalize registration through the Finance Office. This step involves paying the required entrance fees, deposits, and development fees as outlined in the fee schedule.

5. New students attend an orientation program where they are introduced to the school environment and paired with a student buddy. Middle and High School students also receive guidance on using the school’s e-learning systems. This process helps students settle smoothly into their new school life.

Scholarships
California Prep International School offers scholarships to support different categories of students. These include awards for academic excellence, assistance for students from financially disadvantaged backgrounds, and recognition of outstanding talent in areas such as sports or the arts. Details on eligibility and the selection process are not published publicly, and families are encouraged to contact the school directly for current criteria and availability.

Waitlist
The school does not publicly disclose operating a waitlist or pool system.
School Events
The school has not added events
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