Cambodia, Phnom Penh
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Southbridge's website states the school was established in 2000. Over time the site and contact pages refer to multiple Phnom Penh campus locations, indicating incremental expansion beyond a single campus. Corporate records and public company materials list Southbridge International School among educational holdings connected with the Royal Group, a private Cambodian conglomerate. The school's public materials emphasise its stated mission and continued growth since founding.
The Southbridge community comprises students, families and staff who regularly come together for curricular and cultural events. Recent items publicised on the school site and in local coverage include an annual Fun Run (linked to Sports Week), International Week exit-point showcases, Khmer and Chinese New Year celebrations, a STEAM fair, and community relief activities. Parents are routinely invited to exhibitions, open houses and education fairs that showcase student projects and classroom learning.
As of December 30, 2025, the school's public website does not display a dedicated Parent Teacher Association (PTA) page; parent engagement on public pages appears to be organised around events and volunteer opportunities rather than a named PTA. Examples of parent-facing events and activities shown on the site include Open House sessions and education fairs, International Week exit points where parents are explicitly invited to view student work, the annual Fun Run and Sports Week, and community relief drives that involve families. The site also lists recurring touchpoints such as Saturday Chinese classes and scheduled campus tours that provide opportunities for parents to engage with staff and programmes. For confirmation about volunteer roles, committees or a formal PTA you can contact the school's admissions or main office using the email and phone numbers provided on the contact page.
Southbridge International School Cambodia (SISC) is an English–Khmer bilingual day school in Borey Peng Huoth, Chbar Ampov, Phnom Penh. Established in 2000, SISC offers Early Years through Secondary education using the IEYC and Cambridge pathways alongside the Cambodian (Khmer) curriculum. The school's campus includes a gymnasium, three playgrounds, swimming pools, a football field, library and computer labs; swimming, PE, music and art are scheduled classes from K1 upward. SISC runs Cambridge IGCSE and Cambridge AS/A‑Level programmes in upper secondary and operates a bilingual pathway where students study in both English and Khmer; Saturday Chinese classes are available for Grades 1–10. Admissions use age-based placement (Nursery from 2½ years); the school notes separate principals for Early Years, Primary and Secondary. Extracurricular offerings currently include football, basketball, volleyball and an annual drama production; a student council and prefect system provide leadership opportunities. The school temporarily reports its school bus service as unavailable.