D-PREP International School (D-PREP), Bangkok

Located in central Bangkok with CIS accreditation, Bangkok Prep delivers British-style education under Head of School Duncan Stonehouse and the International Schools Partnership network. The school progresses students through Years 7-9 foundational studies before IGCSEs from Cambridge, Oxford AQA, and Pearson exam boards, culminating in International A-levels and BTECs in the sixth form. This multi-board approach provides flexibility for university preparation across different international systems.

The school's 1,700 students represent over 30 nationalities, with Thai students comprising 53% of the population alongside significant Chinese (7%), British (7%), and Korean (5%) communities. Elite sports programs through TISAC, BISA, and FOBISIA networks complement academic offerings, while community service includes English support at local Thai schools. The Student Athlete Programme supports high-performance students balancing academics with competitive sports across various disciplines.

Strengths

Strong British curriculum with multiple UK exam board options providing university pathway flexibility
Large, diverse community of 1,700 students from over 30 nationalities creating international environment
Central Bangkok location with modern facilities supporting academic and athletic programs
CIS accreditation and ISP network membership providing quality assurance and global connections
Elite sports programs through established Bangkok international school leagues
Community service initiatives connecting students with local Thai schools

Considerations

No IB program available for families seeking that qualification pathway
Large school size may feel impersonal compared to smaller international institutions
Majority Thai student population may limit cultural diversity compared to more internationally balanced schools
Fee information not readily available requiring direct school contact for financial planning

Academics

Not published. While D-PREP is an International Baccalaureate (IB) World School (since 2021) and offers Advanced Placement (AP) courses, specific average scores, pass rates, or grade distributions are not published on the official website or backup sources IBO, D-PREP High School. University preparation is offered through personalized counseling and internships, but specific destination institutions are not listed D-PREP University Prep.

School life

Sports: Basketball, tennis, football, swimming, track and field, and golf D-PREP Sports. Arts/Music: Music & recording room, dance room, yoga fly studio, art room, and fine arts program D-PREP Secondary Campus. Clubs: After-school programs, ICT & Esports, and community outreach D-PREP Secondary Campus.

Main Campus (Early Years & Primary): Primary classrooms, D-Lab, science lab, Reggio Emilia room, Dream Space, and outdoor playground D-PREP Main Campus. Secondary Campus (Middle & High School): Modern collaborative classrooms, design technology laboratory, three science laboratories, ICT & Esports room, music & recording room, art room, rooftop garden, library, auditorium, student lounge, and canteen D-PREP Secondary Campus. Sports Facilities: Gymnasium, swimming pool, football field, track and field, yoga fly studio, and dance room D-PREP Sports.

Student body

Total Enrolment: Approximately 230 to 310 students Teacher Horizons, doris. school. Student-Teacher Ratio: Approximately 8:1 (based on 230 students and 30 teaching staff) Teacher Horizons.

Fee	Age	Type	Amount
Nursery (N1-N2)	3	Annual	THB 440,660
Kindergarten (K1-K2)	4	Annual	THB 519,780
Primary School (G1-G5)	6	Annual	THB 606,660
Middle School (G6-G8)	11	Annual	THB 657,130
High School (G9-G12)	14	Annual	THB 677,950
Security Deposit		One-time	THB 50,000
Development Fund		One-time	THB 200,000

Independent reviews are split into two clear camps, with the negative camp focused on administration rather than teaching.
Parents who praise the school cite a small-school feel, an engaged principal, and an experiential, Reggio-influenced approach, with academics tailored to each child.
The recurring complaint is administrative communication: parents describe the admin as ineffective, slow to respond on most matters and quick to respond on fee collection.
More newer comments (early 2025) describe executive-level intervention on parent issues, suggesting the admin pattern may be moving.
Reviewer volume is low overall, and the school has limited presence or community discussions, so individual reviews carry significant weight.

Henri Bemelmans