Cambodia, Phnom Penh
Let the school know you're thinking of applying — they can share their prerequisites and help you through the process.
It's best to ask — circumstances can change at any time.
· Reviewed by Aziza Francienne · B2C Marketing Manager
Ontario International School, located in Phnom Penh along Russian Federation Boulevard, provides educational programs for children aged from 1 to 15 years old. The school follows the Canadian curriculum from the Ontario Ministry of Education for its international program, taught in English, and the Cambodian curriculum for the national program, taught in Khmer. A daily part-time Chinese language course is also offered. A defining feature of the school is its "Whole Child Education Model," which focuses on physical, cognitive, socio-emotional, and communication development. Specialized offerings include yoga, meditation, home economics, and swimming. For infants, the school provides detailed daily records to parents covering temperature and specific food intake, and features classroom security cameras that allow parents to view their children during working hours. Students also participate in at least four study tours annually to engage directly with the local community and build practical social skills.
#558, Russian Federation Blvd. (110), Sangkat Kakab 1, Khan Por Senchey 1 Phnom Penh, 120912, Cambodia
Ontario International School has instruction in English, Khmer.
The school is located at
The school is structured into four main developmental levels accommodating children from 1 to 15 years of age. These divisions include the Toddler class (1-3 years), Kindergarten (3-6 years), Primary (6-12 years), and Lower Secondary (12-15 years).
Ontario International School operates as a co-educational day school.
There is no specific information provided by the school regarding programs, provisions or facilities for Additional Learning Needs or Special Educational Needs (SEN).
The school is affiliated with Canada, utilizing the Canadian curriculum from the Ontario Ministry of Education for its international program track.
There is no religious affiliation mentioned for the school.
The school week runs from Monday to Friday, offering both half-day and full-day enrollment options. Classes officially begin at 8:00 AM and conclude at 4:30 PM. Parents have the option to drop their children off starting at 7:30 AM, and full-day students can remain on campus until 5:00 PM.
Ontario International School provides a daily school bus service with flexible options for either one-way or two-way transportation. The standard monthly rates are CAD 40 for one-way and CAD 60 for two-way trips, which covers student pick-up and drop-off within a 10-kilometer radius of the campus. For families living further than 10 kilometers away, the service is still available, though additional distance-based charges will apply. Furthermore, these transportation fees can be prorated based on a student's specific start date if they enroll mid-year.
Annual tuition at Ontario International School ranges from KHR 7,335,755 to KHR 10,489,227 for 2026/27.
Ontario International School teaches Bespoke Curriculum, Canadian Curriculum for students aged 1 to 15.
Ontario International School offers a dual-track educational structure, utilizing the Canadian curriculum from the Ontario Ministry of Education for its international program and the Cambodian curriculum for its national program. The school accommodates students across four distinct stages: Toddler (ages 1 to 3), Kindergarten (ages 3 to 6), Primary (ages 6 to 12), and Lower Secondary (ages 12 to 15). Instruction is delivered in English for the international track and Khmer for the national track, with an additional daily part-time Chinese language course provided for all students. The academic framework is built on a learning outcome-based approach that focuses specifically on physical, cognitive, socio-emotional, and communication development. Alongside standard academic subjects, the curriculum integrates practical classes such as home economics and swimming, as well as a requirement of at least four community study tours each year to build social skills.
The school's educational framework includes a specific focus on the socio-emotional development of its students. A primary initiative for supporting this is the organization of at least four study tours per academic year. These excursions provide structured opportunities for students to interact directly with peers, adults, and the local community outside the traditional classroom environment. According to the school, these practical experiences are designed to actively build social skills and raise social awareness among the students.
The school does not publicly disclose information regarding Special Educational Needs (SEN) support, specific provisions, or dedicated staff.
While instruction for the international program is conducted in English, the school does not publicly disclose information regarding dedicated English as an Additional Language (EAL) support programs.
Ontario International School incorporates practical classes such as yoga and meditation into its standard curriculum to support student lifestyle and wellbeing. However, the school does not publicly disclose further information regarding formal mental wellbeing provisions, dedicated counseling programs, or psychological support staff on its official website.
To support student safety, the school has installed security cameras throughout the campus building. As part of this physical safeguarding measure, parents are permitted to request access to view the on-campus video feeds at any time during operating hours to observe their children.
1. Take an Admission Test: Bring your child to the school campus to complete a standard admission test. This assessment helps the administration determine the most appropriate year group and placement for your child.
2. Submit Required Documentation: Parents must provide a specific set of official documents to the administration. This includes the child’s birth certificate, vaccination records (Yellow Card), previous report cards, the parents' National ID cards or passports, and the family or residence book.
3. Complete the Registration Form: Once the test and document review are complete, fill out the official school registration form. A parent or legal guardian must physically sign this document to authorize the enrollment.
4. Pay the Required Fees: Finalize your child's admission by paying the required registration and enrollment fees. You will need to coordinate with the school's administration regarding the exact amounts and accepted payment methods.
The school does not publicly disclose information regarding any scholarship programs, financial aid, or tuition discounts.
The school does not publicly disclose information regarding the operation of a waitlist or a student pool system.