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Treehouse International School

Cambodia, Siem Reap

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· Reviewed by · B2C Marketing Manager

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The school at a glance
Instructs in English
Fees KHR 1,190 - 3,000
Ages Not listed
Type Co-educational
Bus Service No
Academic offering
Curriculum British Curriculum, EYFS (Early years foundation stage), Cambridge IGCSE
Taught languages Khmer
Strengths Visual and Creative Arts, Outdoor Education, Languages
Stages Early Years, Primary School, High School
Introduction

Treehouse International School is an international day school in Siem Reap, Cambodia, operating Early Years, Primary and a separate High School campus (Early Years & Primary at 96, Street 26, Wat Bo; High School on Thmor Meas Road). The school delivers an adapted British National Curriculum: Early Years follows the EYFS framework (Nursery from age 2, Pre‑Reception and Reception), Primary uses the Key Stage framework for Years 1–6 (ages 5–11) and the High School (from age 11) prepares students for Cambridge qualifications including IGCSE. English is the language of instruction; the programme includes Khmer language and culture lessons and the school publishes a part‑time Khmer National Curriculum option for primary grades. Specialist provision published by the school includes English as an Additional Language (EAL) support and targeted learning‑needs programmes. Published facilities for Early Years and primary include a secret garden, soft‑play area, music and dance studio, outdoor classrooms, a themed Khmer house, outdoor kitchen, sand and water play, swings, tunnels and a treehouse; the school also publishes information on holiday clubs and Cambridge examination arrangements.

No 0880, Thmor Meas Road, Wat Bo Rd, Krong Siem Reap 17254, Cambodia

The Essentials

Treehouse International School has instruction in English.

Location
Treehouse International School is located at 96, Street 26, Wat Bo, Siem Reap, Cambodia. The school is in central Siem Reap, in the Wat Bo area, providing convenient access to town amenities and transport routes. The High School campus is located in the centre of Siem Reap and opened in August 2023.

Stages
Early Years (ages 2–5); Primary (ages 5–11); High School (ages 11+) with Cambridge IGCSE qualifications after Year 11.

Type
International school following the British National Curriculum; boarding facilities are not indicated.

Additional learning support
The school provides targeted learning support through a team of specialists, including EAL teachers and staff with training in targeted needs, autism, dyslexia, and phonics. An Early Years/Primary Headteacher notes expertise in supporting targeted needs.

Country affiliation
Affiliation with the United Kingdom through the British National Curriculum.

Religious affiliation
No religious affiliation is stated.

School day structure
The school calendar shows term start and end dates; daily start and end times are not published.

Bus service
Bus service details are not published on the site.
Diving Deeper

Governance and Ownership
The school was founded by Clive and Laura Butler.
Fees

Annual tuition at Treehouse International School ranges from KHR 1,190 to KHR 3,000 for 2026/27.

Application / Enrollment Fees
- There is a one-time enrollment fee of USD 100 per student.
- There is an annual administration/registration fee of USD 250 per student.

Tuition fees (summary by school section)
- Early Years (nursery / daycare / pre‑reception / reception): Annual tuition ranges approximately USD 1,700 to USD 3,000.
- Primary (Year 1 to Year 6 / Key Stage 1–2): Annual tuition ranges approximately USD 1,190 to USD 2,645; lower fees within that range apply to students following a part‑day Khmer track (half‑day Khmer national curriculum attendance).

Notes on per‑term and per‑year‑group detail
- Detailed published fees broken down by individual year groups (for example Year 1, Year 2, etc.) and by term were not available in the publicly accessible material. The figures above are the published annual ranges for each section. Exact per‑term amounts and a full year‑group fee schedule were not published.

Billing schedule and payment terms
- No public, detailed billing schedule (for example term dates with amounts due or installment percentages) or explicit payment terms (deadlines, penalties for late payment) were listed in the material reviewed. Parents should treat the tuition ranges and the one‑time/annual administration fees above as the known cost elements; the school did not publish a specific billing timetable in the sources consulted.

Boarding fees
- No boarding provision or boarding fees are listed for Treehouse International School; the school is presented as an early years and primary/day school (with a new high‑school campus in recent years), and no residential/boarding option or associated fees appear in the available material.

Other costs and optional fees
- Additional charges may apply for student lunch, after‑school programmes, and for specialist or additional support services; these are described as possible extras beyond the tuition and administration fees.
- No published information was found on uniform costs or a mandatory uniform requirement; a uniform policy or typical uniform cost is not publicly stated in the sources consulted.

Refund information
- No public refund policy for tuition, enrollment, deposits, or administration fees was found in the material reviewed. The school's publicly available content did not include explicit refund terms or examples of refundable/ non‑refundable deposits.

Fee payment options
- Specific, published payment methods (for example bank transfer, credit card, cash, online payment portal) were not listed in the publicly available material. No formal list of accepted payment channels was found.

Summary of sources and data limitations
- The information above is based on recent public listings and expatriate school guides that publish the school's annual fee ranges and the listed one‑time and annual administration fees. The school's publicly accessible material and the guides consulted give annual ranges by section rather than a complete per‑year‑group or per‑term fee schedule, and do not publish billing timetables, payment method details, or refund terms. For clarity: the only specific fee figures consistently published in the sources consulted were the one‑time enrollment fee (USD 100), the annual administration fee (USD 250), and the annual tuition ranges by section noted above.
Academics

Treehouse International School teaches British Curriculum, EYFS (Early years foundation stage), Cambridge IGCSE.

Curriculum
Treehouse International School follows a British National Curriculum adapted for its multinational community. In Early Years, Nursery, Pre-Reception and Reception are taught under the Early Years Foundation Stage (EYFS), assessed against 17 Early Learning Goals. Primary (Year 1–Year 6) uses the Key Stage framework with three core subjects (English, Mathematics, Science) and weekly Foundation subjects including PSHE, Humanities, Khmer Language & Culture, Art, Music, Choir, PE, Computing, Design & Technology and Swimming. High School opened in 2023 and is Cambridge-accredited, with Cambridge IGCSE qualifications at the end of Year 11 (Grade 10). Khmer Language & Culture is taught as a foundation subject and specialist EAL support is available.
Wellbeing

Social and Emotional Learning (SEL)
Treehouse International School emphasizes a holistic approach to learning, where personal, social, emotional, and physical development is as important as academic development. The school's values promote social-emotional maturity, including fairness and equality, respect and care, confidence and independence, and creativity and imagination. The British National Curriculum is adapted to support a multi-national community, helping integrate social and emotional aspects into teaching and learning. In the Early Years, Personal, Social & Emotional Skills are explicitly identified, including self-confidence, self-awareness, managing feelings and behaviours, and making relationships. PSHE is listed as a foundation subject in Primary, reinforcing personal and social development alongside core academic subjects.

Special Educational Needs (SEN)
Saskia Erasmus, the Head of Early Years & Primary, is from South Africa and is a qualified Early Childhood teacher with a specialism in supporting children with Targeted Needs. The school founders Clive Butler have qualifications to support children with Special Education Needs, including a Masters in Psychology and a recent SEN-related qualification. The school has staff with targeted needs training, including Led, who has an Autism certificate and a Dyslang certificate, indicating capability to support SEN including autism and dyslexia. This suggests SEN support is integrated in the school through staff with targeted needs qualifications rather than a standalone specialist SEN institution. The school is not described as a dedicated SEN institution; SEN support appears embedded within a standard international school structure.

English as an Additional Language (EAL)
English as an Additional Language (EAL) is supported by dedicated staff. The school lists Robbie as an EAL specialist with a TESOL qualification. Mr Deon serves as Computing / EAL, with TEFL certification and over 10 years of IT experience, indicating cross-cutting EAL support. Led is also listed as an EAL specialist with over 10 years experience working with targeted needs and holds an Autism certificate, a Dyslang certificate, and a Phonics certificate. The school structures EAL provision through specialist teachers and dedicated staff, including multiple EAL roles among the staff.

Mental Wellbeing
Treehouse International School emphasizes holistic development, with personal, social, emotional and physical development treated as important as academics. EYFS lists Personal, Social & Emotional Skills such as self-confidence, self-awareness, managing feelings and relationships. PSHE is a foundation subject in Primary, supporting well-being and social-emotional education. The values emphasize kindness and respect (Fairness and Equality; Respect and Care), which underlie student wellbeing. The site does not publicly disclose information about dedicated mental wellbeing programs beyond the holistic approach.

Safeguarding
Safeguarding and child protection policies are not publicly disclosed on Treehouse International School's site. The site shows contact details for the school and a recruitment page, but there is no dedicated safeguarding policy text visible. No explicit safeguarding procedures or staff training information are described on the site. The school's values (Fairness and Equality; Respect and Care) support a safeguarding-oriented ethos, though explicit procedures are not published on the site. For safeguarding specifics, direct inquiries are needed as policies are not published on the site.
Parent Experience

History
Treehouse International School was founded in 2015 by Clive and Laura Butler, English nationals who have worked in Cambodia since 2013. The school operates as a private international community in Siem Reap, delivering a British National Curriculum adapted for a multi-national student body. The founders and leadership have guided the school's development since their Cambodia involvement began in 2013. In August 2023, a High School campus opened in central Siem Reap, extending provision to older students and aligning with Cambridge International examinations (IGCSE). The founders' long-standing involvement in Cambodia underpins the school's growth and its expansion to higher levels of study.

Community
Treehouse International School describes itself as a multi-national community that adapts the British National Curriculum for its diverse student body. Senior leadership includes Head of Operations Rasmey Ly; Early Years & Primary Headteacher Saskia Erasmus; High School Headteacher Heather Korm; and School Founders Clive & Laura Butler, who have guided the school since 2013. The Early Years facilities include a secret garden, a music and dance studio, outdoor classrooms, a Khmer house, outdoor kitchen, sand and water play areas, swings, tunnels and a treehouse. The 2025-2026 calendar shows the school observes Cambodian cultural holidays such as Pchum Ben Week, Commemoration of the King's Father, King's Birthday Week, Khmer New Year, Water Festival Week, and Peace Day Cambodia, reflecting community and cultural integration.

Parent Teacher Association (PTA)
Public information about a formal PTA is not published on Treehouse International School's site. Parent involvement appears to be facilitated through regular school communications and direct engagement with staff. The School Calendar shows cultural and public holidays that provide opportunities for parent participation around these events, such as Pchum Ben Week, Khmer New Year, Water Festival Week and Peace Day Cambodia. There are no publicly described PTA committees or fundraising activities. If needed, inquiries can be directed through the school administration for further clarification.
Facilities

Facilities Overview
Treehouse International School's Early Years facilities include a secret garden, soft play area, a music and dance studio, outdoor classrooms, a themed Khmer house, an outdoor kitchen play area, a sand and water play area, swings, tunnels, and a treehouse to explore. The school also highlights outdoor spaces and themed learning environments as part of its Early Years facilities. A High School campus opened in central Siem Reap in August 2023. The site provides dedicated sections for Early Years, Primary School, and High School programs on its online presence.
Extra-Curricular Activities

Academic & Intellectual
The school follows the British National Curriculum, adapted to a multinational school community. The Early Years follow the Early Years Foundation Stage (EYFS) for children from birth to 6 years old. Primary education uses the Key Stage framework for Years 1 to 6 (ages 5 to 11). The High School opened in August 2023 and provides Cambridge IGCSE qualifications at the end of Year 11 (Grade 10).

Arts & Creative
The curriculum includes Art, Music and Choir as foundation subjects. A dedicated Music & Choir program is taught by specialists, including Ms Emma from Australia. The Early Years facilities include a music and dance studio, supporting creative expression.

Cultural & Language
Khmer Language & Culture is listed as a foundation subject. English is taught as a core subject with a phonics program referenced in Year 1 materials. An EAL program and staff support are provided to help language learners.

Social & Hobbies
Foundation subjects include PSHE, Humanities, Khmer Language & Culture, Art, Music, Choir, PE and Swimming, indicating an emphasis on wellbeing and physical activity. Primary education covers core subjects (English, Mathematics, Science) with weekly foundation subjects that include sport and arts. The school supports sports and creative activities as part of its holistic approach.

Leadership & Professional
The school has a Senior Management team led by the Head of Operations and an Early Years & Primary Headteacher, as well as a High School Headteacher. School founders Clive and Laura Butler are from England and have been active in Cambodia since 2013. The team also includes dedicated Operations and teaching staff across year groups.

Lifestyle & Wellbeing
Facilities include a secret garden, outdoor classrooms, a treehouse, a music and dance studio, and dedicated housekeeping and security staff, supporting a positive learning environment. The campus emphasizes personal, social and physical development through EYFS and Primary programs.
Languages

Language Provision
English-language instruction is used for the core curriculum, and English language development is taught as a core subject. Khmer Language & Culture is offered as a Foundation Subject in Primary, with Khmer language content integrated into the curriculum. English as an Additional Language (EAL) support is provided by dedicated staff to assist non-native English speakers. In Early Years, Phonics is introduced in Pre-Reception to support early reading development.
Reputation

Accreditations
Cambridge International accreditation; Cambridge IGCSE pathway for high school.
Admissions

Admissions
1. Make initial contact. Express interest in Treehouse International School.

2. Information gathering. Placement criteria and documentation details are not publicly posted and are provided through direct discussion with school staff.

3. Processing and decisions. Families receive next-step guidance during their conversations with the school.

4. Enrollment steps. Follow-up instructions are provided by school staff after your inquiry.

Scholarships
Scholarships or financial aid details are not publicly published.

Waitlist
Waitlist/pool information is not publicly published.
School Events
The school has not added events
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