Western International School
Founded 2003
Updated July 2026
Languages
English
MandarinWestern International School is a multi-campus educational institution in Cambodia offering K-12 education based on North American standards. It provides both half-day and full-day programmes with instruction in English and Khmer.
Curriculum
Term structure
Teaching approach
Western International School operates on the philosophy that all children are entitled to a rewarding and successful school experience as individuals and as members of the community. Its mission is to develop skills for life-long learning, provide a nurturing environment that supports individual needs and creativity, and prepare students to pursue post-secondary education anywhere in the world. The school emphasizes its 'WISCARE' values: Wisdom, Integrity, Support, Collaboration, Accountability, Respect, and Excellence.
Programmes
The school offers a K-12 curriculum that closely parallels North American standards, with English as the primary language of instruction for half-day classes and a combination of English and Khmer for full-day classes. The academic programme includes core subjects such as Mathematics, Science, English, and Khmer, alongside specialized subjects like Computer, Physics, Chemistry, Biology, Business/Economics, and Accounting. Students must complete all compulsory courses and pass exit examinations to advance to the next level.
Student support
Tuition & fees
Annual tuition by grade
2026-2027| Grade | Ages | Annual |
|---|---|---|
| Kindergarten N-K2 (Afternoon) | 2–5 | $2K |
| Kindergarten N-K2 (Morning) | 2–5 | $2.2K |
| Kindergarten N-K2 (Full Time) | 2–5 | $2.4K |
| Kindergarten K3 (Afternoon) | 5–6 | $2.1K |
| Kindergarten K3 (Morning) | 5–6 | $2.3K |
| Kindergarten K3 (Full Time) | 5–6 | $2.5K |
| Grades 1-3 (Morning / Afternoon) | 6–9 | $2K |
| Grades 1-3 (Full Time) | 6–9 | $2.3K |
| Grades 4-5 (Morning / Afternoon) | 9–11 | $2.1K |
| Grades 4-5 (Full Time) | 9–11 | $2.4K |
| Grades 6-8 (Morning / Afternoon) | 11–14 | $2.2K |
| Grades 6-8 (Full Time) | 11–14 | $2.5K |
| Grades 9-11 (Morning / Afternoon) | 14–17 | $2.3K |
| Grades 9-11 (Full Time) | 14–17 | $2.6K |
| Grade 12 (Morning / Afternoon) | 17–18 | $2.4K |
| Grade 12 (Full Time) | 17–18 | $2.7K |
Other fees(1)
| Registration fee· Admin Fee | $250 |
|---|
Admissions
Admission to Western International School requires valid credentials from previous schools, an official transcript, and a transfer certificate. Prospective students must meet age requirements—such as being at least six years old for Grade 1—and pass an admission test, though Pre-K and Kindergarten applicants are exempt from testing. Students entering Grade 10 or above must also provide a Junior High School Diploma.
Calendar
The academic year is divided into two semesters: the first runs from September 1 to the end of January, and the second runs from February 1 to the end of June. Additionally, the school offers a summer program from early July to late August, which provides preparatory classes for promoted students and remedial opportunities for those who failed subjects.
Facilities
About the campus
The school operates 16 campuses across Phnom Penh, Takhmao, and Sihanoukville. Campus facilities include well-equipped libraries, science laboratories stocked with scientific apparatus, and playgrounds, with some locations featuring swimming pools.
Co-curriculars
The school organizes a variety of extra and co-curricular activities, including award ceremonies, graduations, prom nights, sports, school fairs, and holiday celebrations like Christmas and Halloween. Students also participate in study tours, field trips, and outreach programs. Furthermore, the school facilitates international exchange programs, such as cooperation with partners in the USA.
- H.E Laurent TEChairman/President
Has been at the helm of Western International School for 15 years and is committed to increasing access to education and strengthening teaching and learning. He emphasizes the role of education in promoting service, social justice, and opportunity.
Mr. Pagna YOUNGChairman/President
Mr. Song TEChairman/ Vice-President, Finance & OperationsBelieves that education is a shared commitment between teachers, students, and parents, and that it is a vital tool for personal and national development. He emphasizes the importance of a nurturing environment that stimulates students to achieve their maximum potential.