

California Prep International School (CPIS)
Christian, Founded 2010
Updated July 2026
Accreditations
Languages
California Prep International School is a K-12 international school in Thailand that specializes in an American-based, contextualized curriculum. It is recognized as one of the first complete e-learning international schools in the country, serving a diverse student body with a focus on academic excellence and character development.
Curriculum
Teaching approach
The school is committed to the harmonious development of the whole person, focusing on academics, character, personality, service, and global citizenship. It integrates natural laws, spiritual values, and success principles, aiming to connect students to an "Infinite Designer." The educational approach emphasizes the "head-heart-hands" development to produce graduates dedicated to excellence and unselfish service.
Programmes
The school offers a K-12 American-based curriculum that emphasizes core subjects including English, Mathematics, Science, and Business. The academic programme is divided into Kindergarten, Elementary, Middle School, and High School levels. It incorporates e-learning, talent development, and values education into its core offerings.
Outcomes
Graduates are prepared for university life and service, with alumni attending institutions in Thailand, the Philippines, China, Germany, England, and the United States. Students have received scholarships and awards in academic, athletic, and artistic competitions, including national academic tests and international music and talent festivals.
Student support
Learning support
The school emphasizes a child-centered approach and provides e-learning procedures for middle and high school students. It focuses on closing student learning gaps through specific teaching strategies and offers guidance counseling services. Mentors are professionally qualified to support the academic and character development of students.
Frequently asked questions(3)
- How much is tuition at California Prep International School (CPIS)?
- Annual tuition at California Prep International School (CPIS) is THB 124K–THB 170K. Fees vary by year group — confirm the current schedule with the school.
- What accreditations does California Prep International School (CPIS) hold?
- California Prep International School (CPIS) holds accreditations including WASC.
- Where is California Prep International School (CPIS) located?
- California Prep International School (CPIS) is an international school in Saraburi, Thailand.
Tuition & fees
Annual tuition by grade
2023-2024| Grade | Ages | Annual |
|---|---|---|
| Pk-K3 | 3–5 | THB 124K |
| G1-G3 | 6–8 | THB 144K |
| G4-G5 | 9–10 | THB 150K |
| G6-G7 | 11–12 | THB 156K |
| G8-G9 | 13–14 | THB 160K |
| G10-G11 | 15–16 | THB 166K |
| G12 | 17–18 | THB 170K |
Other fees(12)
| Application fee· Application Form & Assessment (One time) | THB 1K |
|---|---|
| Registration fee· Development Fee & Registration Fees for Thai Day Students (One time) | THB 40K |
| Registration fee· Development Fee & Registration Fees for Dormitory Students (One time) | THB 50K |
| Registration fee· Development Fee & Registration Fees for Foreign Students (One time) | THB 80K |
| Deposit· Refundable Security Deposit for Day Students (One time) | THB 5K |
| Deposit· Refundable Security Deposit for Dormitory Students (One time) | THB 10K |
| Materialssemester· Text Books & Workbooks fee per semester | THB 5K |
| Boardingsemester· Boarding Fee for Foreign Students (Seven days a week, includes weekend activities) | THB 85K |
| Boardingsemester· Boarding Fee for Thai Students Grade 1-3 | THB 65K |
| Boardingsemester· Boarding Fee for Thai Students Grade 4-12 | THB 60K |
| Insuranceyear· Health Insurance per year | THB 14K |
| Uniform· Uniform fee | THB 4K |
Discounts
- Full-payment discount: 6500 THB/year
Admissions
Admission is open throughout the year, provided applicants meet the school's requirements. The process involves submitting an application form, providing official transcripts and medical certificates, and completing a placement test and interview. Non-Thai students must also provide copies of passports and relevant visa documentation. For Pre-Kindergarten, students must be two years old by August 1, and for Grade 1, they must be six years old by August 1.
Calendar
The school operates on a quarterly system, with exams scheduled at the end of each quarter. The academic year includes various events such as STEM Days, Songkran ceremonies, and a Week of Prayer. Summer school sessions are also offered, with courses typically running from March through July.
About the campus
The school is located on a 17-rai campus in Kaeng Khoi, Saraburi, featuring renovated buildings. The campus includes a cafeteria, library, and IT facilities to support its e-learning initiatives. School van services are available for student transportation.
Co-curriculars
Students participate in a variety of activities, including music, physical education, and dance. The school hosts events such as International Day and Wai Kru Day, and students have achieved recognition in fields such as golf, ice hockey, music competitions, and academic contests. Guidance counseling is available to support student development.




- Phakdee Mangmiwatthana, PH.D.Director & Co-Founder
Dr. Mangmiwatthana is a co-founder and the Licensee/Director of California Prep International School. He holds a Ph.D. from NIDA, Thailand, and has extensive experience in educational leadership, including serving as Dean of Faculty at Asia-Pacific International University and as a director at other international schools.
- Adelino T. Libato, PH.D.Co-Board Chairman & Co-Founder
Dr. Libato is a co-founder and serves as the Co-Board Chairman and Academic Administrator. He holds a Ph.D. in Educational Administration/Management and has a long career in international school accreditation, consulting, and academic leadership across Asia.
- Michael AlcaideMS/HS Section Coordinator
Michael Alcaide serves as the MS/HS Section Coordinator. He was also part of the school's pre-construction pioneer team.
- Christine GomezElementary Section Coordinator
Christine Gomez serves as the Elementary Section Coordinator.
- Michelle AlcaideKindergarten Section Coordinator
Michelle Alcaide serves as the Kindergarten Section Coordinator and was part of the school's pre-construction pioneer team.
- James CottAP Co-Coordinator
James Cott serves as the AP Co-Coordinator.
WASC