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Chiang Rai International School (CRIS) opened in 2010 and is situated on an 11-rai (approximately 4.5-hectares) campus about 3 km north of Chiang Rai city center, in a semi-rural area that is gradually becoming suburban and commercial. The campus is surrounded by mountains and lies roughly an hour away from the Golden Triangle, where Thailand, Laos, and Myanmar meet. CRIS follows an American-style curriculum: in primary and secondary levels, the school uses Common Core State Standards for English Language Arts and Mathematics, Next Generation Science Standards (NGSS) for Science, and AERO standards for Social Studies. Core subjects in the upper grades include English, Math, Science, Social Studies, plus physical education, music, art, Chinese, ICT, Bible instruction, electives, and Thai language and culture. Boarding options are available, with separate accommodation for boys and girls. Boarders typically share twin rooms and are supported through a “buddy” mentorship system, and live within a structured community where houses are led by senior students.
496 Moo 5, Rimkok Sub-District, Muang District, Chiang Rai 57100
Chiang Rai International School has 250 pupils, typical class sizes of 18, instruction in English.
Chiang Rai International School sits on a campus about 3 km north of Chiang Rai city centre in Northern Thailand’s Rimkok sub-district, in a semi-rural setting that’s gradually becoming more suburban and commercial as the city expands. The site covers around 11 rai (4.5 ha) of land.
CRIS serves children from Preschool (around age 3), through Primary (Elementary), Middle, and up to Secondary (High School) levels.
The school is co-educational and offers both day and boarding options.
CRIS offers support tailored to individual student needs in collaboration with teachers and families, aiming to help students engage effectively with the curriculum. Specific programs such as dedicated learning assistance were not detailed on the website.
The school is not affiliated with any country.
The school has no religious affiliations.
A typical school day begins at 7:45 a.m. Daily hours run from 7:30 a.m. to 4:00 p.m., with Primary students dismissed at 3:00 p.m., and Secondary students at 3:15 p.m.
There is not enough information available about the school's transportation services.
Annual tuition at Chiang Rai International School ranges from THB 170,250 to THB 404,600 for 2026/27.
Chiang Rai International School teaches Advanced Placement (AP), American Curriculum for students aged 3 to 18.
CRIS delivers a full American-based curriculum across all school stages, built around Common Core Standards for English Language Arts and Mathematics, the Next Generation Science Standards (NGSS) for Science, and AERO Standards for Social Studies.
In Preschool and Elementary, students follow these frameworks and also attend co‑curricular classes in Physical Education, Music, Art, Chinese, ICT, Bible, and Thai Language & Culture.
In Middle School, students continue studies in core subjects—ELA, Math, Science, Social Studies—while choosing from electives and co‑curricular offerings that include Chinese, ICT, Bible, and Thai language & culture.
At the High School level, the curriculum advances to include courses such as Geometry, Algebra, Calculus, Statistics (Math); Earth Science, Biology, Chemistry, Physics (Science); and World History, Economics, Global Citizenship (Social Studies), alongside continued co‑curricular subjects like Music, Art, Chinese, ICT, Bible, and Thai language & culture.
CRIS describes its primary program as fostering "comprehensive academic, social, spiritual and globally-minded learning in an enjoyable and safe environment" with collaborative planning and parent involvement. Beyond this, the school doesn’t provide explicit details about structured SEL programs, dedicated staff, or specific initiatives on the website.
The school lists a Special Needs Teacher and Shadow Teachers among its Student Services staff, but no details are shared about the types of needs supported, specialized facilities, or whether CRIS is a specialist SEN institution. As such, specific SEN provisions are not publicly disclosed.
CRIS offers an English Language Development (ELD) program designed to meet each student’s language needs, determined through initial and ongoing assessments. If a student has not yet achieved the necessary English proficiency for their grade level, they are placed in specialized, intensive ELD classes—either in place of, or alongside, core subjects—until they are ready to rejoin the mainstream curriculum.
The site outlines pastoral care in the boarding context: house parents, boarding assistants, and GAP (gap-year) staff oversee welfare and encourage respectful, supportive relationships; mentoring systems are used to help new boarders settle in. Other than this, there is no additional publicly available information on broader mental health or wellbeing initiatives.
CRIS describes several boarding policies promoting safety: secure access via fingerprint scanners, 24-hour security patrols, video surveillance, and regulated entry for adults. First aid and nursing support are provided, and procedures are in place for illness, fire safety, and valuables management within boarding houses. However, the school does not publicly detail its overarching safeguarding or child-protection policies outside of boarding-specific measures.
1. Submit an Application Form
Parents can complete either the online application form or a printed version. Once the form is received, the school reserves an appointment slot for an admissions evaluation.
2. Interview and Entrance Assessment
All new applicants attend a short interview followed by an entrance assessment. For Grades 1–12, the assessment can be done on campus or online; for Kindergarten 1–3, assessments must be done on campus.
3. Assessment Content
The assessment evaluates school readiness, English proficiency, Mathematics and Science skills, and ensures correct grade placement.
4. Review of Supporting Documents
After passing the entrance evaluation, the admissions team reviews the required supporting documents before making an offer of enrolment.
5. Appointment Confirmation
The admissions team contacts parents to confirm the date and time for the evaluation. An evaluation fee is payable before the assessment takes place.
6. Offer of Enrolment
If the evaluation and documentation meet the requirements, the school may issue an official offer of enrolment.
The school does not publicly disclose any scholarship programmes on its website. They do post about scholarships on their socials seemingly frequently.
The school does not publicly state that it operates a waitlist or pool system.