The Passing of Her Royal Highness
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Enrollment Now Open for Summer School 2 Starting July 20, 2026

Welcome to CPREP International School

California Prep International School

We Provide High Quality Education for K-12

Our Vision

California Prep International School envisions to be recognized as the #1 school in Thailand that specializes in K-12 education ....

Our Mission

California Prep is committed to the harmonious development of the whole person for student excellence in...

Our CPIS Programs

Achieve Highest Level of Learning on CPIS Campus and in the Comfort of Your Home

UPCOMING EVENTS

Life at CPIS

Academic Levels

We provide the best balanced and child-centered education.

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Enrolled Students
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Years of Teaching
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Teachers & Staff
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Our Founders

The Foundation of California Prep International School

(California Prep or CA Prep or CPIS) was co-founded by Dr. Phakdee Mangmiwatthana (Ph.D.) and Dr. Adelino Libato (Ph.D.) on November 14, 2010.​

Phakdee Mangmiwatthana, PH.D.

Executive Director & Co-Founder
View Profile

Adelino T. Libato,
PH.D.

Co-Board Chairman & Co-Founder
View Profile

Events

Check out our upcoming events

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CALIFORNIA PREP STUDENTS COME & GO!

COUNTRIES WHERE CPIS STUDENTS HAVE BEEN COMING FROM and Going to SINCE 2011 TO 2023

UK, NETHERLANDS, GERMANY, SWITZERLAND, ITALY, AUSTRIA, CROATIA, LIECHTENSTEIN, MYANMAR, INDIA, LAOS, CAMBODIA, THAILAND, VIETNAM, INDONESIA, PHILIPPINES, CHINA, HONGKONG, SOUTH AFRICA, TAIWAN, IVORY COAST, PAKISTAN, JAPAN, AUSTRALIA, RUSSIA, USA, BANGLADESH, CANADA, & HUNGARY.

BANGKOK UNIVERSITY

THAILAND

SRIPATUM UNIVERSITY

THAILAND

TIASIN MEDICAL, CHINA

CHINA

KASETSART UNIVERSITY

THAILAND

BURAPHA UNIVERSITY

THAILAND

KING MONGKUT’S INSTITUTE OF TECHNOLOGY LADKRABANG

THAILAND

WILLIAM ANGLISS INSTITUTE

AUSTRALIA

UNIVERSITY OF THE THAI CHAMBER OF COMMERCE

THAILAND

NOT AVAILABLE 

ITALY

MAEJO UNIVERSITY

THAILAND

STAMFORD UNIVERSITY

THAILAND

PHRA NAKHON SI AYUTTHAYA RAJABHAT UNIVERSITY

THAILAND

STUDIENKOLLEG MUNICH

GERMANY

LICEO DE CAGAYAN UNIVERSITY

PHILIPPINES

CENTRAL PHILIPPINES UNIVERSITY, ILOILO

PHILIPPINES

THAMMASAT UNIVERSITY

THAILAND

CHIANG MAI UNIVERSITY

THAILAND

MAE FAH LUANG UNIVERSITY

THAILAND

MAHIDOL UNIVERSITY

THAILAND

UNIVERSITY OF MISSOURI

USA

ASSUMPTION UNIVERSITY

THAILAND

ASIA-PACIFIC INTL UNIVERSITY

THAILAND

UNSURE OF THE EXACT NAME

TAIWAN

CHULALONGKORN UNIVERSITY

THAILAND

BANGKOK THONBURI UNIVERSITY

THAILAND

BRUNEL UNIVERSITY LONDON

ENGLAND

MOUNTAIN VIEW COLLEGE

PHILIPPINES

DUSIT THANI COLLEGE

THAILAND

 

🎉👏🚀MSME First Year Students Won a Worldwide Innovation Public Challenge!
Congratulations! A team of first year students from MSME Business School’s Design and Digital Innovation (DDI) program has won the 2021 PRU Fintegrate Competition, as announced on November 11, 2021. The ‘Care U’ team consists of three students from the DDI program, namely Pornpipat Kitireanglarp (Gem), Rapeepan Yuenyong (Pee), Kornkamol Lumpeng (Ice), and were joined by Chunnakan Sematut (Oak) from Chulalongkorn University’s BASCII program. The ‘Care U’ team was awarded 1,000 USD for their creative contribution to the First Innovation Challenge. The Challenge’s theme was on nutrition.
 
Competing against participants from around the world, ‘Care U’ proposed an idea to “change the environment” by organizing cabinets and refrigerators in a way that would subconsciously make family members consume healthy food. The team was mentored by two highly knowledgeable and dedicated faculty members of the Vincent and Mary School of Science and Technology: Dr. Songsak Channarukul, Dean, and Ajarn Tapanan Yeophantong, Assistant Dean for External Affairs.
 
Organized by Prudential, the 2021 PRU Fintegrate Competition solicits participation from the design, tech, and student communities to come up with ideas or solutions that create an impact on people’s health and wealth.

We dedicate our life to our profession in harnessing and preparing your child towards the future.

News

Be updated of What's happening

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Contact

Let us know if you have questions, inquiries, & Suggestions

Phone:

Phakdee Mangmiwatthana

Licensee, Director & Co-Founder
California Prep International School, Saraburi

Education
BA, SAUC, Singapore
MA, AIIAS, Philippines
Ph.D., NIDA, Thailand

 

Professional Experience

Dean of Faculty, Business Administration: Asia-Pacific International Univerity
Associate Professor, Business Department: Asia-Pacific International University, Saraburi
Board Chair: Ekamai International School, Bangkok
President: Thailand Adventist Mission, Bangkok, Thailand
Vice-President for Student Affairs: Mission College (now Asia Pacific International University), Muaklek, Thailand
Director & Co-Founder: Saint John Mary International School, Saraburi, Thailand
Director, Co-Founder, & Licensee: California Prep International School, Kaeng Khoi, Saraburi, Thailand
Licensee, Co-Founder & Business Manager: Khon Kaen International School, Kaeng Khoi, Saraburi, Thailand

Adelino T. Libato, PH.D.

Co-Board Chairman / Co-Founder / Academic Administator

California Prep International School (Kaeng Khoi, Saraburi)

EDUCATION:
• Ph.D.- Educational Administration/Management, Central Mindanao University
(CMU), Philippines. (1987-1992). CMU is a government-operated university. (with
Personnel Management or HRM)

• M.A.- Adventist University of the Philippines (AUP), Silang, Cavite, Philippines

• M.A.- Adventist International Institute of Advanced Students (AIIAS is operated by
the General Conference of the SDA in Maryland, USA. Sister institutions: Loma Linda
University, CA and Andrews University, MI, USA)

• AB Theology (+Education & Business Credits) Mountain View College, Valencia,
Bukidnon
Diploma (Leadership & Management), Southern Christian College, Midsayap,
Cotabato

CURRENT POSITIONS:
• Co-Board Chair/Co-Founder/Academic Administrator: California Prep International
School (Saraburi, Thailand)
• Board Chair/Co-Founder/Academic Consultant: American Prep International School
(Hat Yai, Thailand)
• Consultant (Management, OB, OD, HR) with CPIS Team: International Schools &
Establishments (Asia)
• Board Co-Chair, NIVA American International School, Ladprao, Bangkok. (Former
Accreditation & Management of Learning Consultant)
• Consultant, Sengdara International School, Vientiane, Laos


FORMER POSITIONS/EXPERIENCES:
• CEO-Board Chair/WASC-Academic Consultant, Siam International School, Rangsit,
Pathumtani, Thailand

• Vice-President for Human Resources- Thailand Based: Health and Education Foundation Inc. (Stegman Pkwy, Jersey City, NJ 07305)

• Chair, Advisory Board: Anglo Singapore International School (Bangkok Suk. 64 & 31 & Korat)

• WASC Consultant, Adventist International Mission School, Asia-Pacific International
University
• Principal/Acting Director (Academic Administrator & AP Coordinator), Ekamai
International School, Sukhumvit 37
• Principal/Consultant, St. John Mary International School, Saraburi, Thailand (2005-2007)
• ETS CETAS Administrator/Co-founder, SJMIS TOEFL Center, Saraburi, Thailand
• Deputy Director for Development/WASC Consultant, Trinity International School,
BKK
• Board Chair/CIS-WASC Consultant: Anglo Singapore International School (Bangkok,
Thailand)
• Principal (Founding Days), AIIAS International Elementary School, Silang, Cavite
(1992-1994) and Mountain View Academy (MVC), Mindanao, Philippines (1988-
1990)
• Consultant & Board Co-Chair, Glory Singapore International School, Bangkok.

TEACHING & SABBATICAL:
• Associate Professor, School of Graduate Studies, AIIAS, Silang, Cavite. Teaching Ph.D.
& MBA courses in AIIAS & its Distance Learning Centers in various Asian countries
(Malaysia, Thailand, Indonesia, Myanmar, Bangladesh, etc.): Leadership &
Administration, Organizational Behavior, HRM/HRD, Organizational Theory,
Supervision & Instruction, & Youth Leadership. Seminary course taught: Church
Administration, Advanced Strategies in Teaching Bible
• Acting Dean/Chair, School of Graduate Studies & Educational Studies Dept., AIIAS
and Director of Degree Program (MA Religious Education), AIIAS, Philippines
• Sabbaticals (Research & Seminars) in various universities: UCLA, Harvard, Stanford,

Wharton Business School, ECLA-Berkeley, Oxford, Cambridge, Stern Business School-
NYU, MIT-Boston, CA & London.

• Professor; Dean-School of Liberal Arts and Business; Department Chair; Principal:
Mountain View College, Mindanao
• Visiting Lecturer at Asia-Pacific International University, Muak Lek, Saraburi and
Philippine Christian University, Manila, Philippines in Consortium with Belarmine
Global Education, Bangkok, Thailand

ACCREDITATION EXPERIENCES:
• 1988: Chair, MVC, First ACSC Accreditation Visit (College & Academy)
• 1997: Coordinator, 1st AIIAS PAASCU accreditation visit (February)
• 1998: Co-Chair, AIIAS Coordinating Task Force for the Level II PAASCU visit,
Philippines

• 2003: Academic Council Chair/Leadership Team Chair, Ekamai International School
(EIS) for the Team Visit, Western Association of Schools & Colleges (WASC),
California, USA. EIS was awarded a 6-year accreditation from 2004 to 2010
• 2005-2008: Consultant, WASC Accreditation for TRIS, SIS, SJMIS, TAM, etc.
• 2009-2016: WASC/CIS Accreditation Consultant to several international schools in
Thailand

WHO’S WHO LIST:
“The global online community of Filipino graduate scholars harnessing information technology
to
attain international recognition.”
http://www.everyfilipino.com/Thesis.htm
http://www.everyfilipino.com/Thesis26.htm (Thesis) Ph.D., Central Mindanao University
(Dissertation)
http://www.everyfilipino.com/Thesis_add.htm
NOTE:
Accreditation Training Attended- PAASCU, AAA, WASC, CIS, WES, & ACSC-AA (Bangkok, Saigon,
Kuala Lumpur, San Francisco- CA, Philippines- Cebu/Cagayan de Oro, etc.)
Publication/Contribution and Other Highlights:
• Contributor, Ellen G. White Encyclopedia, ISBN: 9780828025041, Review and Herald
Publishing, USA, Copyright 2014
• Wrote two correspondence courses for AIIAS on “Organizational Behavior” and
“Secondary School Principalship” for AIIAS (1993-96)
• Presenter, “In-servicing of Christian Teachers Toward the Integration of Faith
Learning and Life” at the International Conference of Christian College Teaching,
Union College, Lincoln, Nebraska & Published in “Christ in the Classroom”, Vol. 2,
Washington, D.C.: Institute for Christian Teaching 1991. (Also presenter in Palo,
Leyte SDA National Teachers’ Convention-1988)
• Contributed an article titled, “Putting the ‘Team’ in Teamwork”, International Forum,
School of Graduate Studies, AIIAS. ISSN 0119- 2000. October. This was read to the
faculty of Trinity College, Manila on February 21, 2000

• Contributed an article titled, “Giant overall mission/vision rediscovered in church-
related institutions”, International Forum, School of Graduate Studies, AIIAS, ISSN

0119-2000. April
• Contributed an article titled, “The Theo-Scriptura Worldview: A Viable Option for
21st-century Educators”, Intl. Forum, School of Graduate Studies, AIIAS, 0119-2001,
April
• MA Thesis: “A Survey on Personal Values of the Adventist Seniors in Luzon”, Master’s
Thesis, Philippine Union College or Adventist University of the Philippines (1983)

• Ph.D. Dissertation: “Determinants of Administrators’ Facilitative Instructional
Leadership in the Philippines” Doctoral Dissertation, Central Mindanao University,
Bukidnon (1992)
• Adviser/External Critic: Theses and Dissertations in AIIAS, AUP, Cavite & University
of the Philippines, Diliman, Quezon City
• Speaker (Motivational/Spiritual/Seminar): Myanmar, New Jersey, California,
Micronesia, Thailand, & Philippines; Recent: AYA Conferences, EIS, Bangkok (Dec 15,
2018) & MVAT Conference, EIS, Bangkok (Dec 1, 2018)
• Former Member of AMA (New York), ASCD (Virginia, USA), and other societies
• Panelist: 60th Anniversary of Thai-Phil Diplomatic Relations, August 7, 2010,
Chulalongkorn University, Bangkok (Other panel members: Thai Ambassador to
Philippines, Philippine Ambassador to Thailand, and a Thai Professor)
• Certificate: Awarded for passing the first Teachers Board examination for teachers in
Manila: “Pambansang Lupon sa mga Guro (1979)
• Certificate: Awarded Teacher’s License in Thailand (2007-2008)
• Certificate: Awarded an Administrator Certificate (2005-2012) by the Office of
Education, Southeast Asia Union Mission of the SDA, Singapore
• President: MVC Alumni Association; MVC Coop; MVC Student Association; Boys’
Dorm Association; AUP Graduate School Student Association; Joint AUP-AIIAS
Graduating Class
• Editing Experience: Editor of MVC School Paper and Associate Editor of MVC
Yearbook