Edited by Aziza Francienne · B2C Marketing Manager
American curriculum options in Chiang Mai include CMIS (Chiang Mai International School), one of the city's most established institutions. American schools here offer a familiar US approach with AP courses at fees significantly below Bangkok levels. The smaller city scale means closer school communities and easier daily logistics.
Compare 9 American Curriculum international schools in Chiang mai, Thailand. Filter by curriculum, fees (average THB 396,044), location, and more to find the right international school now.
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Nakornpayap International School (NIS) in Chiang Mai, Thailand, was founded in 1993. The school follows a US‑based curriculum aligned with Common Core and Massachusetts standards, and offers Advanced Placement (AP) courses in Grades 11–12. Set on a leafy 17‑acre campus in San Phisuea, just a few kilometres east of downtown Chiang Mai, it provides modern facilities including science labs, computer labs, art and music rooms, a gym, pool, and full‑size football field. NIS serves children aged 3 to 19 in small classes with around 619 students enrolled. Instruction is in English, with Thai language & culture, and options in Spanish, Japanese or Chinese as world languages. NIS is particularly known for its AP offerings, strong STEM programs, vibrant sports teams, and active participation in arts and service campaigns such as International Day and the UN‑aligned sustainability initiatives.
Ambassador Bilingual Academy (ABA), part of the Ambassador Education Group, serves students aged approximately 1.6 to 18 years (Pre‑K through Grade 12). Situated in Mae Hia, just minutes south-west of Chiang Mai city, ABA offers a bilingual Thai–English curriculum where all core academic subjects are taught in English, complemented by Thai language and cultural studies. The curriculum emphasizes project-based learning and life skills, aiming to equip students with practical abilities alongside academic knowledge. English is the medium of instruction, with daily Thai instruction integrated into the programme. Leadership is fostered through initiatives like the Student Council, and values-based learning is embedded school-wide. Families appreciate ABA’s focus on character development, skill acquisition, and bilingual education, in a compact suburban setting with a growing, internationally diverse community.
Prem Tinsulanonda International School was founded as part of the Traidhos Three-Generation Community for Learning by Mom Luang Tridhosyuth Devakul, and named in honor of General Prem Tinsulanonda. Located on a 100-acre campus in Mae Rim, northern Chiang Mai, it serves both day and boarding students aged 3 to 19 years. The school follows the full International Baccalaureate (IB) curriculum, offering PYP in early years through Grade 5, MYP for Grades 6–10, the IB Diploma Programme (DP), and the IB Career-related Programme (IBCP) for Grades 11–12. Facilities of the school include boarding apartments, six science labs, multiple sports fields, an Olympic-size pool, indoor sports hall, tennis, cricket and golf facilities, forest and farm-based learning areas, art and drama studios, an amphitheatre, auditorium, cookery school, medical centre, and design workshop.
Singapore International School Chiangmai (SISB Chiangmai), established in 2017, is centrally located in Chiang Mai’s historic Si Phum district, near iconic temples and cultural landmarks. The school serves approximately 277 students aged 2 to 18 in a trilingual environment, with instruction in English. SISB Chiangmai offers the Singapore curriculum in the primary years, followed by the Cambridge IGCSE programme in Grades 9–10 and Cambridge AS & A Levels in the Sixth Form. The Early Years programme is based on the UK’s EYFS framework. Known for its close-knit community and experiential approach, the school provides enrichment through co-curricular activities such as taekwondo, swimming, hip-hop dance, and performing arts. SISB Chiangmai is also a certified centre for The Duke of Edinburgh’s International Award, which enhances students’ outdoor learning and leadership skills. With small class sizes, the school combines academic progression with vibrant student life in a culturally rich setting.
Chiang Mai International School (CMIS) started in 1954 as a small school for children of missionaries in northern Thailand. It now offers classes from preschool through Grade 12 and follows a U.S.-based curriculum taught in English. The school is accredited by the Western Association of Schools and Colleges (WASC) and approved by the Thai Ministry of Education. High school students can take Advanced Placement (AP) courses that help prepare them for university. Students come from many different countries, and the school does not require any specific religious background. The school is located in Chiang Mai and has a range of facilities to support learning and activities. These include a swimming pool, sports fields, covered play and sports areas, a theatre, music and dance rooms, and classrooms for art and languages. Students can join activities outside of regular classes, such as sports or music. The school keeps its class sizes relatively small, and students of different ages and backgrounds learn together in a shared space.
Grace International School (GIS), established in 1999, serves students from Kindergarten to Grade 12. It offers an **American curriculum** with **Advanced Placement (AP)** courses, preparing students for higher education globally. The **37‑acre campus** south of Chiang Mai city features dedicated academic buildings, multiple sports fields, and green outdoor areas for play and physical education. English is the primary language of instruction, with Thai language classes across all levels, Chinese offered in High School, and TESOL support for non‑native speakers; Elementary also provides “heart language” support for Korean students. GIS is a **Christian school**, integrating **biblical values** into its teaching and community life, and serves many families involved in mission and Christian service in Southeast Asia. Students can participate in CMAC athletics, including basketball, soccer, volleyball, and cross‑country, as well as band, choir, and visual arts programs, fostering well‑rounded development in a values‑driven environment.
Unity Concord International School (UCIS), located just outside Chiang Mai along the Chiang Mai–Lampang highway, opened in August 2017. It serves students from approximately age 2 years up to Grade 12, offering an American curriculum aligned with Common Core standards and optional Advanced Placement (AP) courses. Class sizes are capped at 20 in early years, 26 in primary, and 32 in secondary to support effective teaching. The campus includes science and computer laboratories shared across grades, a fitness centre, sports courts, and swimming facilities. English is the main language of instruction, while Thai language, culture, and history are taught by a dedicated department. With around 700 students from diverse nationalities, UCIS is fully co‑educational. The school is accredited by WASC and recognized by ONESQA in Thailand. One distinguishing feature is Unity Park, a development adjoining the campus offering student‑oriented small businesses and dining options, intended to support convenience and real‑world learning.
Americana Chinese International School (ACIS), founded in 2019, is located in Nong-Pheung, Saraphi, Chiang Mai. The school offers a U.S.-based curriculum (AERO Common Core Plus Standards) for students from Pre-K to Grade 12. Classes are taught in English, with daily Chinese and Thai lessons integrated into the curriculum to promote multilingual proficiency. ACIS emphasizes project-based learning and STREAM—combining science, technology, robotics, engineering, arts, and mathematics—providing hands-on learning experiences. Class sizes are kept small, capped at 20 students for Pre-K–K3, 26 for Grades 1–6, and 32 for Grades 7–12, ensuring more individual attention. The high school program includes Advanced Placement (AP) courses and a dual-diploma pathway that allows students to earn both an ACIS and U.S. high school diploma. The school operates as a co-educational, day school in a serene suburban setting outside Chiang Mai’s city center.
Lanna International School Thailand started as a small homeschool setup. Over time, it developed into a full international school for students aged 2 to 18. In 2018, the school relocated to a single campus in the Hang Dong district of Chiang Mai. This allowed the school to place all age groups on one site. The student body includes children from many different countries and currently serves about 1,000 students. The school uses a British-based curriculum. Young children follow the International Early Years Curriculum (IEYC), and the primary years use Cambridge Primary and the International Primary Curriculum (IPC). Secondary students take Cambridge IGCSE exams and can continue with AS and A Levels. There is also an option to earn an American High School Certificate. The campus includes science and STEAM labs, libraries, art and music rooms, a gym, football field, swimming pool, and outdoor play and sports areas.
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