Edited by Aziza Francienne · B2C Marketing Manager
Colombo is home to 4 international schools, offering families a range of curricula and price points to choose from.
Compare 13 international schools in Colombo, Sri lanka. Filter by curriculum, fees (average LKR 2,187,143), location, and more to find the right international school now.
Oasis International School, Colombo, founded in 2000, is a private international school located in Colombo 12, Sri Lanka. It serves ages 2–18 (play class through Grade 12) and offers two curricula: Pearson Edexcel IGCSE and the Sri Lankan National Curriculum, with English as the medium of instruction in Primary. In Grades 1–5, pupils may follow either path; the Edexcel option provides IGCSE Ordinary Levels with two streams (Science and Commerce) and subject combinations such as Biology–Chemistry–Physics with Mathematics; or Accounting–Business Studies–Economics–ICT; or Chemistry–ICT–Mathematics–Physics. In Grades 9–12, both curriculums are taught; Edexcel offers IGCSE in Grade 10 and International Advanced Level in Grades 11–12, while the National Curriculum leads to the National GCE Ordinary Level in Grade 11. Oasis is a subsidiary of M. D. Gunasena. The campus has spacious classrooms, modern science laboratories, and a library of about 6,000 books in English, Sinhala and Tamil. The auditorium hosts music, theatre and dance; on-site facilities include a swimming pool, flood-lit futsal, football and cricket. Edexcel World Prizes recognize top marks in a subject at World, Regional or Country levels.
Stafford International School is a day school in Colombo, Sri Lanka, delivering the British National Curriculum with Cambridge IGCSE and Edexcel IAL examinations. The school has been a Cambridge International Examinations center since 2015 and began offering Cambridge IGCSE and Edexcel IAL exams in 2019. English is the primary medium of instruction, with Sinhala, Tamil, French and German taught as additional languages. The campus includes an auditorium, indoor cricket nets and a basketball court, and its central Colombo location provides access to a wide range of facilities nearby. The school serves up to 1,100 students, with an average class size of 22 and a teacher-to-student ratio of 1:10. Stafford maintains a nurturing pastoral care system and emphasizes drama and the arts, including a drama program and annual stage performances. A broad range of sports and clubs, including Interact Club and Model United Nations, support extensive co-curricular life and global awareness.
Royal Institute International School’s Havelock Town campus provides education from nursery through A-Levels. Students can pursue the Sri Lankan National Curriculum, Cambridge qualifications (Primary through Advanced), or Pearson Edexcel IGCSEs. The campus features dedicated physics, chemistry, and biology laboratories alongside specialized IT centers. The adjacent Wijerama Sports Complex supports the athletic program with a swimming pool, basketball and badminton courts, and a gymnasium. A notable feature is the institution's Cambridge School Centre status, which allows students to take staged assessments for Cambridge AS and A-Levels progressively rather than in a single final sitting. The school’s co-curricular program includes the highly decorated Model United Nations (RIMUN) club, which frequently competes at inter-school levels, and a Mathematics Club that recently engaged students in statistical modeling of local health data. An active Interact Club connects students directly with community service projects across Colombo.
Asian International School in Sri Lanka offers a British curriculum for ages 2 to 17, guiding students to Pearson Edexcel IGCSE and International A Levels. The campus hosts on-site Edexcel examinations, science laboratories for Biology, Chemistry, and Physics, and a Computer laboratory with modern hardware. English and French are taught within a framework, with IGCSE English Language and French options. Facilities include a swimming pool, cricket nets, basketball and netball courts, as well as dedicated arts spaces for music, dance, and art and crafts. Digital learning is supported by smart classrooms and an AV room. A broad range of clubs—Debating, MUN, and Chess—along with service and leadership programs such as P.A.W.S and the Gavel Club, foster critical thinking and communication. Notable features include the on-site Edexcel centre and cultural exchange through the Interfaith Society, plus a vibrant Arts and Languages program. AIS welcomes international families seeking a rigorous, inclusive education.
British International School Colombo provides English-medium education with Pearson Edexcel IGCSE and Sri Lankan Government syllabuses, spanning Mathematics, Sciences, Languages, Humanities and Arts. From Foundation to Advanced Level, the curriculum aligns with recognised UK qualifications, preparing students for higher education. The school was founded and directed by Dr. Sudath Mohottala and operates under the motto DREAM, BELIEVE, ACHIEVE, guiding student development. On campus, modern classrooms, laboratories, a library and media center support learning and research. A sports complex offers swimming, badminton, cricket, football, volleyball and chess, with Karate also part of the program. Extracurricular activities include cookery, debate and robotics, complemented by arts, music and drama, plus cultural events such as Seela Samadhi and Poson festival activities. Community service, leadership opportunities and events like the Inter-School Speech Competition foster social responsibility and communication. The school blends rigorous academics with holistic development and celebrates Sri Lankan heritage within a supportive community.
Lyceum International School - Nugegoda, established in 1993, operates as a co-educational day school in a busy commercial district just outside Colombo. Accommodating approximately 5,300 students from ages 2 to 20, the Nugegoda campus is the founding branch of the Lyceum network. The school offers a dual academic pathway: students follow an internal curriculum until Grade 8, after which they choose between the Sri Lankan National Curriculum or the British Pearson Edexcel curriculum for their Ordinary and Advanced Level examinations. Students receive instruction in English, with mandatory second-language classes in Sinhala or Tamil, and optional foreign languages like French and Mandarin Chinese. The campus supports varied extracurricular interests through specific groups like the Astronomy Club, Model United Nations (MUN), and the UNESCO Club. Unique to the school's structure, students are sorted into four distinct houses—Ursa, Aquila, Cetus, and Cygnus—fostering organized intramural activities across academics and athletics
Horizon College International is an international private school in Sri Lanka for ages 2 to 17, with its campus in Malabe and a branch in Nugegoda. It delivers the Edexcel Pearson IGCSE and the British Curriculum, complemented by the British National Curriculum, ICT, French and religious studies (Buddhism, Christianity, Hinduism, Islam). The curriculum is organized into five sections: Pre-Primary (Montessori methods), Elementary School, Primary, Junior Secondary and Senior Secondary. In Year 6, students take the Edexcel Primary Achievement Test, and Horizon reports excellent results including world prize winners. Senior Secondary leads to IGCSE London O/L and Year 13 to IAL, with a 100% pass rate. The campus sits in lush green surroundings, designed to foster learning. Facilities include a modern library, science and computer labs, a speech lab, dance, music and drama rooms, a swimming pool, a sports ground, IT facilities and landscaped play areas, plus 24-hour security and transport.
Wycherley International School, situated in Cinnamon Gardens, Colombo, operates from a 1972 heritage building that originally housed Dr. R.L. Spittel’s nursing home. Founded in 1985, it is a co-educational day school delivering the Cambridge Pathway from Early Years through to A-Levels. Instruction is entirely in English, with Sinhala, Tamil, French, and German taught as language subjects. The school is known for its strong Model United Nations (WISMUN) tradition, which trains delegates in international diplomacy, and distinctive groups like the Aviation Club, which coordinates field visits to local airports. Students have access to science laboratories, computer centers, and dedicated art spaces. The senior section is housed separately on Queen's Road to give older students their own learning environment. With a student body of around 1,100, Wycherley maintains parallel class sections to ensure focused learning and consistent examination success.
The British School in Colombo is a long-established, co-educational day school offering a British curriculum from early years to the Sixth Form. The Junior School follows the English National Curriculum, while the Senior School delivers Cambridge IGCSE and A Level courses. The school teaches in English and serves around 1,400 students aged 2 to 18, with a campus housing both sections and sports facilities, a swimming pool, canteens and an auditorium. Since its foundation in 1994, the school has developed purpose-built science laboratories, libraries, computer rooms and age-appropriate specialist spaces to support progression through the grades. Across both schools, students can access a broad programme of extracurricular activities, including over 70 Junior School clubs and ten sport disciplines. The campus features an auditorium, a dedicated outdoor play area for the youngest pupils, and a sports terrace. Fixtures and activities extend learning beyond the classroom and foster participation, teamwork and leadership.
Located in Rajagiriya, Gateway College Colombo serves approximately 2,000 students from ages 2.5 to 18. The school operates as a co-educational day school and instructs primarily in English. Students progress through a British-based framework, with secondary pathways including Cambridge IGCSE, Pearson Edexcel IGCSE, and Cambridge A Levels. Uniquely for Sri Lanka, the school also offers the Australian South Australian Certificate of Education (SACE) as an alternative to A Levels, alongside a BTEC Foundation Diploma in Sport. Campus life incorporates an active co-curricular program with over 30 clubs, including specialized groups like the Aviation Club, Robotics, and the Model United Nations. The 4.5-acre site integrates a dedicated physical education framework, with teams recently winning regional championships in netball and squash. Gateway College also directly integrates computing and data science diplomas into the secondary framework via NCC Education, giving senior students dual qualifications before university entry.
Colombo International School (CIS) delivers the British Curriculum through Pearson Edexcel IGCSE to students aged 2–18. The Senior Section comprises Intermediate (Years 7–11) and Sixth Form (Years 12–13). In Years 10–11, a two-year IGCSE course requires English and Mathematics and seven subjects from Arts, Commerce, Humanities, Modern Languages and Sciences. In Sixth Form, Year 12 offers four AS subjects, followed by three or four A2 subjects; many students achieve A or A* grades. An Enrichment Programme supports university preparation, including BMAT, UKCAT, LNAT, SAT and IELTS, with three specialists guiding UK, US/Canada and Australian/Asian admissions. CIS operates from Cinnamon Gardens on purpose-built campuses, with a sister campus in Kandy sharing the same ethos. Facilities include a senior library, an Electronic Reference Library, a Museum, five computer labs, science laboratories, an auditorium, a 25-m pool and extensive sports grounds. The school emphasizes sport, performing arts and visual/creative arts, with a broad clubs programme.
Elizabeth Moir School is an independent English-medium co-educational day school in Colombo, Sri Lanka, serving children from age 2 to 18. It follows a British-curriculum framework with Pearson Edexcel IGCSE in Forms 4 and 5 and Edexcel A Levels in 6th Form. In the Junior School, Mathematics and English use British textbooks; literacy and numeracy are core, with Art, Music & Movement, Drama and Physical Education, and swimming beginning in KG1. Senior School adapts British syllabuses to Sri Lankan context and supports cross-curricular study, with language options including French, Sinhala and Tamil. The curriculum is augmented by updates on Artificial Intelligence in ICT and Climate Change in Geography, and a high teacher-to-student ratio for individualized attention. Facilities include two properties in Colombo, classrooms, six science laboratories, and libraries; Barn houses four labs for experiments daily. Extracurriculars include Art, Drama, MUN, Design and Media, sports clubs, plus community and service activities.
Founded more than 65 years ago, the Overseas School of Colombo is a non-profit, co-educational English-medium day school serving ages 3 to 18. It offers the International Baccalaureate continuum—PYP for Early Years to Grade 5, MYP for Grades 6–10, and the Diploma Programme for Grades 11–12—with self-taught mother-tongue support and online Pamoja options. OSC is the only IB World School in Sri Lanka. The school's motto, Unity in Diversity, guides a holistic, inquiry-based approach; the curriculum emphasizes international-mindedness, learner ownership, and, in the DP, Theory of Knowledge, the Extended Essay and CAS. The five-acre, green campus houses six buildings, four science labs, three design labs, two libraries with over 25,000 volumes, and extensive arts and IT facilities, plus a 25-metre pool, gym, auditorium, and multiple playing fields. A broad after-school program includes AMC Math Club, Linguistic Adventures, COMUN, and SAISA, with service learning through CAS and Week Without Walls.
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