Oman, Muscat
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International School of Oman has instruction in English.
ISO is located in Muscat, Oman. The campus moved to a brand-new site in the Bawsher district in September 2021, relocating from an earlier site in Madinat Al Ilam. The school serves families across the Muscat Governorate and is accessible by road within the metropolitan area.
ISO offers a full K–12 program: KG1 and KG2, then Grades 1–6, Grades 7–8, Grades 9–10 (Cambridge IGCSE), and Grades 11–12 (Cambridge International AS/A level and Oman Bilingual GDE).
International day school
Learning Support is provided, including AL (additional learning) classes for targeted support. Pastoral care and access to a school psychologist are part of the welfare provisions.
No single country affiliation is listed. The school funds multiple curricula, including American, British, and Omani programs.
No formal religious affiliation is stated. Islamic studies are offered as part of the Grade 7–8 curriculum within the Oman-based components.
School starts at 8:00 AM. KG1–KG2 finish at 1:30 PM; Grades 1–12 finish at 3:05 PM.
ISO provides transportation to select zones within the Muscat Governorate.
Annual tuition at International School of Oman ranges from OMR 2,631 to OMR 4,647 for 2026/27.
International School of Oman teaches British Curriculum, Omani Curriculum for students aged 4 to 18.
The International School of Oman offers a staged curriculum from early years to upper secondary, with Cambridge IGCSE for Grades 9–10 and Cambridge International AS and A Levels for Grades 11–12, alongside the Oman Bilingual GDE (Thanawiyah Amma). The early years feature KG1 with Jolly Phonics for literacy, while KG2 through Grade 6 cover core subjects including Reading, Mathematics, and Science. Grade 7–8 comprises subject blocks including Math, English and Global Perspective, Science and Computing, Arabic, Social Studies & Islamic, and Art & Design. Grades 9–10 adopt the Cambridge IGCSE framework with compulsory subjects English, Mathematics, and Arabic or French; Omani nationals also study Islamic and Arabic Social Studies, with five elective subjects such as Physics, Chemistry, Biology, Environmental Management, Business Studies, Economics, History, ICT, Art & Design, and Physical Education, with examinations held at the end of Grade 10. Grades 11–12 provide Cambridge International AS and A Levels alongside the Oman bilingual GDE (Thanawiyah Amma). The school also offers other programs including sports, learning support, pastoral care and safeguarding.
The International School of Oman (ISO) opened in 2008. In September 2021 ISO relocated to a brand-new campus in Bawsher. The address is Bosher, Al Maha Street, Way No. 257, Building No. 1-21.
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