International School of Phnom Penh
International School in Phnom Penh
Quick answer
International School of Phnom Penh (ISPP) serves 875 students aged 3 to 18 in Cambodia's capital. The school is an IB Continuum World School (PYP, MYP, DP), accredited by IBO, CIS and WASC. Tuition $9,378-$28,977 per year. Long-established premier choice for diplomatic, NGO and corporate expat families on Phnom Penh assignments seeking established IB-track education with the broadest international community in Cambodia.
Key facts
- Curriculum: IB taught at International School of Phnom Penh.
- Tuition: $9,378–$28,977/yr published annual range.
- Avg class size: 22 (max 22) Phnom Penh international school · 875 students total.
- Ages: Ages 3 to 18 school day starts at 7:30am.
- Accreditations: IBO, CIS, WASC verified.
875
22 avg / 22 max
Rolling
1989
IBO, CIS, WASC
About International School of Phnom Penh
Founded in 1989, International School of Phnom Penh is Cambodia’s first international school and remains the country’s leader in international education today. From age 3 through to Grade 12, each ISPP student is encouraged to pursue their full personal and academic potential so that they can make a difference in our world.
Learning & language support (SEN / EAL)
This school states meaningful learning-support provision — still confirm it fits your child's specific need.
Why this matters
Special-needs provision at international schools varies widely and is rarely guaranteed by the school itself — and local legal duties differ by country. Confirm what this school provides, in writing, before you commit.
- Learning support: moderate
- In-house specialist staff listed
- EAL/ESL support listed
Not published
- —Educational-psychologist availability not stated
Questions to ask the school
- Is an educational psychologist on staff or available by referral?
- Can you support a child with my child's specific need (e.g. dyslexia, ADHD, autism), and have you done so this year? Ask for concrete examples.
- Is there an additional fee for learning support or EAL — and how much per year?
- Is learning support guaranteed for the full enrolment, or can it be withdrawn later?
| Item | Amount |
|---|---|
| Annual tuition (USD) | $9,378 – $28,977 |
| Annual tuition (local) | 38450324 Riels-118806593 Riels |
| Fee year | 2025-2026 |
| Est. all-in cost (modeled)how we calculate | $20,498(+7%) |
| Est. first-year total (modeled) | $21,998 |
| Cost position in Phnom Penh | 97th percentile(premium tier) |
IB
IB Diploma exams. ISA assessment Grades 3 - 10.
Generally above the world average
Mother Tongue Program and language acquisition in Khmer, French, Mandarin and more.
ISPP's programme is flexible and based on the particular needs of the students. Support may take on a variety of forms: one-on-one, small group or in-class.
Learning support services are provided for students with mild learning difficulties who need support to succeed in the mainstream class.
English as an Additional Language program
7:30am – 2:30pm (Elementary), 2:45pm (Secondary)
We offer a lunch subscription with an external provider. Not included in tuition.
Yes
Imported from a directory listing and not independently verified — confirm fees and details with the school.
Is International School of Phnom Penh 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
Mid-rangeSchool Profile
Class Size
Estimated Real Cost
Tuition + registration, transport, uniform, exams
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