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Best 3 IB International Schools in Phnom Penh

IB International Education in Phnom Penh

⇩ Scroll directly to the list of top 3 best IB schools in Phnom Penh ⇩

Below, we have compiled the top 3 IB international schools in Phnom Penh according to our users. However, there are another 4 IB schools to choose from in the city (and 66 total international schools.) You can find the best international school for your child by personalising your results. Just fill in your search criteria, and we will calculate a personal score for every international school in Phnom Penh based on your requirements.

Recommended Schools

Northbridge International School Cambodia

A prestigious private school in Phnom Penh. Northbridge International School Cambodia takes pride in offering more high-quality global learning opportunities than any other school in Cambodia. NISC inspires children to go above and beyond in their education.
Curriculum
IB
Language of instruction
English
Ages
2 to 18
Yearly fees - 2026/2027
from: 52,635,475 Riels
to: 134,992,368 Riels
Reviews
(9 reviews)

Best 3 IB International Schools in Phnom Penh

Out of a total of 7 IB International Schools in Phnom Penh (and 66 total International Schools in Phnom Penh)

Based on the aggregated preferences of our users in the last 30 days.

Canadian International School of Phnom Penh

Canadian International School of Phnom Penh (CIS) is an Alberta-accredited, International Baccalaureate (IB) World School delivering a top-tier education to students from Nursery to Grade 12. Across our purpose-built campuses, students enjoy world-class facilities and engage in comprehensive academic programs alongside specialized co-curricular offerings, all within a nurturing and inclusive learning environment.
Guided by highly qualified educators and enriched by a vibrant, international community, CIS empowers students to become global citizens, prepared to thrive at leading universities and beyond.
Curriculum
Canadian, IB
Language of instruction
English
Ages
2 to 18
Yearly fees - 2026/2027
from: 32,951,525 Riels
to: 105,566,923 Riels

Northbridge International School Cambodia

A prestigious private school in Phnom Penh. Northbridge International School Cambodia takes pride in offering more high-quality global learning opportunities than any other school in Cambodia. NISC inspires children to go above and beyond in their education.
Curriculum
IB
Language of instruction
English
Ages
2 to 18
Yearly fees - 2026/2027
from: 52,635,475 Riels
to: 134,992,368 Riels
Reviews
(9 reviews)

The Giving Tree International School

The Giving Tree International School (TGTIS) embodies the principles of the International Baccalaureate (IB), an organisation which has granted us full authorisation to deliver their Primary Years Program (PYP). We are proud to have a large student base of over 25 nationalities, and we provide an inclusive program that is 100% committed to providing an outstanding international education for an affordable price.
Curriculum
IB
Language of instruction
English
Ages
1 to 13
Yearly fees - 2026/2027
from: 21,524,981 Riels
to: 33,831,330 Riels
4 other IB schools in Phnom Penh ⇨

Find the Best IB International School in Phnom Penh for your family!

Other lists of best international schools in Phnom Penh, Cambodia

10 Best International Schools in Phnom Penh (November 2026 Rankings) 6 Best American International Schools in Phnom Penh (November 2026 Rankings) 10 Best British International Schools in Phnom Penh (November 2026 Rankings) 2 Best Christian International Schools in Phnom Penh (November 2026 Rankings) 2 Best Chinese International Schools in Phnom Penh (November 2026 Rankings) 2 Best Australian International Schools in Phnom Penh (November 2026 Rankings)

Most Popular International Schools in Phnom Penh in 2025

Most Popular International Schools in Phnom Penh in 2025

Summary

What are the best IB international schools in Phnom Penh?

  1. Canadian International School of Phnom Penh
  2. Northbridge International School Cambodia
  3. The Giving Tree International School

See all the schools in Phnom Penh

66 International Schools in Phnom Penh

How Many International Schools are there in Phnom Penh?

There are 66 international schools in Phnom Penh. See them all

What are the most popular curriculums in Phnom Penh?
Curriculum International schools
British 27  
International 23  
Cambodian 17  
American 15  
IB 7  
Other 27  

Additionally, there are 2 boarding schools in Phnom Penh.

What are the most popular languages of instruction?
Language International schools
English 65  
Khmer 15  
Chinese 5  
French 3  

Among these, there are 14 bilingual schools in Phnom Penh.

How Much do International Schools cost in Phnom Penh?

The average price of international schools in Phnom Penh is 39,606,023 Riels. (*)

Price for 12 y.o.
Min. price 7,365,194 Riels
Avg. price 39,606,023 Riels
Max. price 124,862,369 Riels
Price for 12 y.o. Number of international schools
7,365,000 Riels to 27,129,999 Riels 19  
27,130,000 Riels to 46,894,999 Riels 9  
46,895,000 Riels to 66,659,999 Riels 4  
66,660,000 Riels to 86,424,999 Riels 1  
86,425,000 Riels to 106,189,999 Riels 3  
106,190,000 Riels to 125,954,999 Riels 2  

(*) The price for one year of fees for a 12 year old (or the closest age to 12 available in the school), excluding one-time fees at enrolment.

How Big are Class Sizes in Phnom Penh?

The average class size of international schools in Phnom Penh is 16.7 students.

Class size
Min. size 6 students
Avg. size 16.7 students
Max. size 25 students
Class Size Number of international schools
5 to 9 2  
10 to 14 11  
15 to 19 17  
20 to 24 10  
25 to 29 4  

How big are the schools in Phnom Penh (in number of students)?

The average size, in number of students, of international schools in Phnom Penh is 912 students.

Number of students Number of international schools
50 to 499 24  
500 to 949 9  
950 to 1,399 7  
1,400 to 1,849 2  
1,850 to 2,299 0  
2,300 to 2,749 1  
2,750 to 3,199 1  
3,200 to 3,649 0  
3,650 to 4,099 0  
4,100 to 4,549 0  
4,550 to 4,999 0  
5,000 to 5,449 0  
5,450 to 5,899 1  
5,900 to 6,349 0  
6,350 to 6,799 0  
6,800 to 7,249 0  
7,250 to 7,699 0  
7,700 to 8,149 0  
8,150 to 8,599 0  
8,600 to 9,049 1  

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International Schools Database

The International School Database is the best way to find, research, and compare international schools in cities across the world.

Each school's listing includes full contact details, school policies, nationality information, extra-curricular activities, and much more. Everything you need to know is all under one roof, so you can make an informed decision on the best school for your children.

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