Edited by Aziza Francienne · B2C Marketing Manager
If you're researching international schools in Cambodia offering Cambridge Lower Secondary, this page lists every school we know of and lets you sort, filter and compare them — without school marketing in the way. The most common curriculum is Cambridge (Secondary), taught by 16 of the schools below. Annual tuition spans roughly 4,320–90,246,544 KHR, with the average sitting around 31,750,561. Schools range from new openings to long-established names like First International Cambodian-American School (FICAS) (opened 1994).
Compare 13 Cambridge Lower Secondary international schools in Cambodia. Filter by curriculum, fees (average KHR 31,750,561), location, and more to find the right international school now.
TG International School in Phnom Penh provides an educational pathway from preschool through to graduation, incorporating the Singapore Mathematics method alongside the Cambridge International curriculum. Located in the Toul Kork district, the campus features a dedicated science laboratory where students conduct experiments in biology, chemistry, and physics. A distinctive element of the school is its commitment to environmental sustainability, integrated through nature-inspired learning and initiatives that encourage students to interact responsibly with their surroundings. Facilities include a futsal court and a swimming pool, supporting a physical education program that covers swimming and various field sports. As a member of the Crestar Education Group, the school connects students to a regional network while maintaining a small-scale community atmosphere. The language program offers Mandarin and Khmer as additional subjects, complementing the English-medium instruction. The school follows an August-to-June academic calendar, preparing students for IGCSE and A-Level qualifications in their senior years.
NIRA International School is an international day school in Phnom Penh at 17B Street 105, Sangkat Toul Sangke, Khan Russey Keo. The Early Years Centre uses the International Early Years Curriculum (IEYC) while Primary and Lower Secondary follow the Cambridge Pathway; the school states its Cambridge programme is integrated with Cambridge IGCSE and A Level programmes and, from Grade 1, families may choose a dual route combining Cambridge with either the Cambodian national curriculum or the school's French programme (Label FrancEducation). The campus is arranged around a central garden and lists a swimming pool, sports court/complex, library, music room, computer suite (with a lunchtime computer club) and a science laboratory. The school publishes an admissions process that includes an observational assessment and orientation support for new families, and it offers personalised campus tours by appointment.
Invictus International School Phnom Penh is a co‑educational day school for students aged 3–18 that follows the UK Early Years Foundation Stage in Nursery and Reception, the Cambridge Primary and Lower Secondary programmes, IGCSE and Cambridge A‑Levels. The campus is on Preah Norodom Boulevard (Street 41) at 144C and occupies a large refurbished building previously used as a university. The school lists 60 classrooms (30 primary, 30 secondary), dedicated Physics, Biology and Chemistry laboratories, a library and a large hall. Early Years offers bilingual options (English paired with Khmer, French or Chinese) and lessons across primary and secondary are conducted in English; additional languages taught include Khmer, Chinese (Mandarin) and French. Class sizes are capped at 25 students. Co‑curricular activities include football, swimming, acoustic guitar, dance and Jiu Jitsu. The school's published 2025–26 tuition schedule is on the website.
Singapore (Cambodia) International Academy (SCIA) is a K12 international school in Phnom Penh that blends the Singapore and Cambridge curricula to educate learners aged 2–18. The Main Campus sits in One Park, Phnom Penh City Center, with a Pre-School campus nearby in Boeung Keng Kang. English is the language of instruction, with Chinese and Khmer taught as subjects. The Primary School follows Singapore's core subjects (English, Mathematics, Science) and Cambridge Primary Checkpoint, while the High School combines Singaporean Secondary Curriculum with Cambridge Lower Secondary and leads to the IGCSE in Grade 10 and Cambridge AS/A Levels in the senior years. SCIA's signature programmes are Entrepreneurship, Leadership, and STEM, supported by Play Network enrichment. The school opened in August 2018 with 175 students in the first cohort; current total is not published on the site. School hours are Monday–Friday 7:30 AM–5:30 PM and Saturday 7:30 AM–1:00 PM, indicating a day-school model.
First International Cambodian-American School (FICAS) in Phnom Penh provides an American-standard education with parallel Cambodian and international curricula. The school offers Cambodian Curriculum (FCC) and International Academic Curriculum (IAC) options, plus a General English Program (GEP); English instruction is central, and Khmer is taught through the Cambodian program. Students can begin in English from age 3 and in Khmer from age 6. The campus operates at Street 371 in Mean Chey with a second campus on Sola Street; the institution's history dates to 1994 and carries MOEYS licensing along with royal and U.S. recognition. Facilities include computers, musical instruments (piano and guitar), and sports equipment (basketball, tennis, taekwondo); extra‑curricular activities include CMA Mental Arithmetic, field trips, and community engagement. The school aims to prepare students for higher education locally and abroad.
Forest Hill International School (FHIS) is an international Cambridge-focused school in Phnom Penh, Cambodia. The campus is located at No. 50, Street 271, Teuk Thla, in the Sen Sok district, opposite Heng Ly Market. FHIS offers a trilingual curriculum (English, Khmer, Chinese) and follows Cambridge International curricula from early years through upper secondary, alongside a Khmer MoEYS National Program. FHIS is registered as a Cambridge International School and Exam Center and provides a range of after-school activities, including Taekwondo, football, swimming, music, and the arts. The school emphasizes academic learning, leadership development, and extracurricular engagement, supported by partnerships such as Franklin Covey for leadership development. The languages of instruction are English, Khmer, and Chinese. The campus coordinates are 11.5595907, 104.8883059.
Paragon International School (Paragon ISC) was established in 1997 and operates a single purpose-built campus at Land № 402, Plov Lom (Svay Pak) in Khan Russey Keo, Phnom Penh. The school offers both an International programme (Cambridge Primary → IGCSE → AS/A levels) taught in English and a Bilingual programme that combines the Khmer national curriculum with selected Cambridge subjects; it is also a registered Cambridge centre and holds international accreditation. Paragon's age policy covers toddlers through Grade 12 (typical entry ages shown on the school site are 2 — 17 years). The school lists an extensive co-curricular programme including STEM & Robotics, arts and language clubs, and it coordinates contracted school-bus routes for families. The Head of School is Mr. Artur Tulepbekov. Note: the school website provides application, enrolment, registration and capital fee figures (in USD) but does not publish a single annual tuition range by grade on its public pages; the site should be contacted or the prospectus requested for an exact tuition schedule. (Sources: Paragon ISC site: history, contact/address, curriculum pages, age-level, clubs and transport).
Established in 1995, The British International School of Phnom Penh occupies a campus in the Chbar Ampov district. It holds the distinction of being the first school in Cambodia registered as a Cambridge International Education centre. The academic structure follows the English National Curriculum across all key stages, from the Montessori-based Early Years program to Primary and Secondary levels. Students prepare for internationally recognized qualifications including the IGCSE and A-Levels, alongside British SATs and Checkpoint examinations. The campus includes specialized facilities such as science laboratories, a library, and dedicated spaces for music and art. A signature feature of the school is its integrated lunch service, which provides all students with daily meals prepared on-site. For those living further from the Chbar Ampov area, the school coordinates third-party transportation from established pick-up points in the city. The educational program emphasizes individual progress through small class settings and a variety of elective extracurricular activities in sports and creative arts.
New Gateway International School (NGIS) was founded in 2011 and is presented on the school site as a tri-lingual institution teaching Khmer, English and Chinese. NGIS delivers the Cambodian (Khmer) curriculum alongside UK Cambridge programmes in Primary and Secondary and an IEYC programme for Early Years; graduates receive Cambodian high-school certification and Cambridge qualifications. The school lists multiple Phnom Penh campuses: a head office/campus near the National Olympic Stadium (Veal Vong) and at least one campus closer to the airport (Sen Sok). Facilities noted on the site include a research laboratory, a computer laboratory, a library, and extracurricular provision such as arts, music and a sport club (swimming, soccer and related activities). The site also describes regular teacher–parent conferences and semester academic reports for parents.
International School of Battambang (ISBB) provides an English-medium education for students from age two through secondary graduation. The school follows the Early Years Foundation Stage (EYFS) for its youngest learners, moving into the Cambridge International curriculum for Primary and Secondary levels. Students work toward completing their IGCSE examinations in Year 11. The campus includes dedicated science laboratories, a library, and an outdoor swimming pool where students participate in regular swimming lessons as part of the physical education program. A distinctive feature of ISBB is its integrated Khmer language and culture program, ensuring that students develop local linguistic skills alongside their international studies. The school also offers Mandarin Chinese as part of its curriculum to broaden communication abilities. With a focus on core subjects like mathematics and science, the school utilizes the Cambridge framework to track progress through standardized Progression Tests and Checkpoint assessments.
East-West International School (EWIS) opened in 2006 and is located in the Boeung Keng Kang 3 (BKK3) neighbourhood of central Phnom Penh. The school runs a bilingual English–Khmer program from Nursery through Grade 12 and is registered with Cambodia's Ministry of Education and accredited by WASC. The campus includes primary, secondary and early years departments, science labs, music and art rooms, a STEAM centre, an assembly hall, a swimming pool and sports courts. EWIS offers the International Primary Curriculum (IPC), International Middle Years Curriculum (IMYC), Cambridge IGCSE and AS/A Level pathways alongside the Khmer national curriculum, and compulsory activities such as swimming in primary and middle years are part of the weekly timetable.
Westbridge International School of Phnom Penh is a dynamic institution offering the Cambridge Curriculum from Nursery to Grade 12. Founded in 2023, it features an internationally diverse teaching staff from the USA, Scotland, Poland, China, Philippines, and Canada, with Mandarin Chinese as an additional language.
ICS International School (ICSIS) operates from two campuses in Khan Daun Penh, Phnom Penh: the Main Campus at 14, Street 214, and the Calmette Campus at 25A, Street 75 (Corner of Street 80). The school opened in 2005 and is a Cambridge International Centre (KH008). Nursery and Kindergarten programmes follow the Singapore Curriculum and the Cambridge English Teaching Framework, with most instruction delivered in English and Khmer studied as needed. Primary education uses the Cambridge Primary Programme alongside the national curriculum. The Secondary & High School Programme (Grades 7–12) provides a bilingual pathway that combines the Cambridge International Curriculum (Lower Secondary/IGCSE, AS & A Levels) with the MoEYS Cambodian Curriculum to align local graduation requirements with international qualifications. The school emphasizes enquiry-based learning and a broad co-curricular program. The Co-Curricular Activities include Khmer Language and Mandarin Language, plus swimming and other sports. All Kindergarten and Primary classes are taught in English except Khmer studies. Khmer and Mandarin are also offered as languages within the curriculum.
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