Grand Mount International School
International School in Phnom Penh
Quick answer
Grand Mount International School follows the British National Curriculum with IGCSE and A-Level pathways, with notably small class sizes averaging 12 students. Well-suited to budget-conscious families. At $2,452–$3,924/year, it sits below the Phnom Penh average — offering strong value.
Key facts
- Curriculum: British taught at Grand Mount International School.
- Tuition: $2,452–$3,924/yr published annual range.
- Avg class size: 12 (max 20) Phnom Penh international school · 400 students total.
- 2 nationalities top: Khmer.
- Ages: Ages 4 to 18 school day starts at 07:30.
- Accreditations: CIE verified.
400
2 (Khmer)
12 avg / 20 max
Rolling
CIE
About Grand Mount International School
Very friendly and upbeat atmosphere with emphasis on academic achievement in external examinations (Cambridge); developing enrichment programme including inter-school competition, such as success in The World's Scholars Cup, and drive towards E-Learning, Smart School Status.
| Item | Amount |
|---|---|
| Annual tuition (USD) | $2,452 – $3,924 |
| Annual tuition (local) | 10053082 Riels-16087345 Riels |
| Fee year | 2025-2026 |
| True annual cost (with hidden fees)how we calculate | $4,238(+33%) |
| First-year total (with registration + deposit) | $5,738 |
| Cost position in Phnom Penh | 8th percentile(budget-friendly) |
British
Cambridge Young Learners (Starters, Movers, Flyers); Key English Test, Preliminary English Test, IGCSE English as a Second Language, Maths, Combined Science, Business Studies, ICT & Chinese as a Foreign Language.
First cohort will sit in May/June 2021.
Khmer, Chinese
None identified so far - Khmer parents are reluctant to acknowledge any need in any case, as is common right across SE Asia outside in Singapore and the Philippines where there is increased awareness.
We would ask for an educational psychologist's assessment and learning strategies recommendation for implementation with the support of a designated Teaching Assistant.
Yes
07:30 – 17:00 (5pm)
There is a canteen
Students would need to bring their own.
Is Grand Mount International School right for your family?
A School Fit Brief scores this school against your children's ages, learning needs, and budget — with hidden fee analysis, admissions timing, and a ranked shortlist of alternatives in Phnom Penh.
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At a Glance
Fee Position in Phnom Penh
Budget-friendlySchool Profile
Class Size
Student Diversity
Less diverse
Common: Khmer
Estimated Real Cost
Tuition + registration, transport, uniform, exams
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Nearby Schools (within 5km)
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