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The International Montessori School
Image Source: The International Montessori School
Institutional Overview
Curriculum:
Authentic AMI-aligned Montessori programme delivered bilingually in English and Mandarin Chinese.
Levels:
Toddler (age 1) through Middle School (age 14).
Student Body:
Around 600 students across the Hong Kong Island campuses.
Campus
Stanley (ages 2 to 14, K, G8 flagship); Aldrich Bay (2 to 6); South Horizons (1 to 6); Mid-Levels (2 to 6).
Founded:
2002.
Website:
Academic Profile
Language of Instruction:
Bilingual English and Mandarin Chinese from the youngest classes.
Additional Languages:
Mandarin Chinese is a 50/50 immersion language alongside English throughout.
Academic Rigour:
Mixed-age classrooms, individualised learning plans, and Cosmic Education that extends through Middle School.
Notable Strengths:
Largest bilingual Montessori in HK, multi-campus convenience, authentic AMI practice, smooth transition into top primaries and secondaries.
Admissions and Matriculation Statistics
Top University Destinations:
Primary / Middle School only. Common secondary destinations: CIS, CDNIS, ISF Academy, HKIS, ESF secondaries.
Programme Track
Through-train Toddler → Casa → Elementary → Middle School (age 14).
Class Composition
Mixed-age classrooms; low student-to-guide ratios with dedicated English and Mandarin guides.
Financials (2025/26 Academic Year)
Annual Tuition:
Casa (Ages 3 to 6, full day):
HK$ 214,500
Elementary (Ages 6 to 12):
HK$ 218,500 to 226,500
HK$ 245,600
Annual Capital Levy
HK$35,000 per year per child.
Debentures:
Individual
Not offered.
Corporate
Not offered.
Application Fee
HK$2,000 per child (non-refundable).
Admissions & Application Windows
Application Deadline:
Confirm with admissions
Assessment:
Confirm with admissions
Assessment Format:
Confirm assessment details with admissions
The Consultant’s Take
Best Fit For:
Families committed to authentic Montessori who also want real Mandarin fluency. IMS is Hong Kong’s first through-chain Montessori school, with AMI-standard classrooms each staffed by one English-native and one Mandarin-native teacher. Best for families who buy into self-paced, hands-on learning; not for those wanting structured exam prep or a recognised terminal qualification.
The “Insider” Tip:
The real strategic issue is the exit: even with the new Middle School, IMS currently runs to about age 14 and sets no external exams, so families should plan a secondary transfer (often Year 9 or 10 entry via CAT4 or IGCSE-readiness testing) from day one. The younger campuses (South Horizons, Aldrich Bay) are the realistic entry door; Stanley primary is harder to enter mid-stream.
