Boarding Life The Khao Yai Campus, is Thailand's first international boarding school for students in year 4 - 13 and is located in a natural environment on the edge of the Khao Yai National Park, just under two hours drive from Bangkok. Read More...   Accreditation St. Stephen's International School, Khao Yai is accredited by the Western Association of Schools and Colleges (WASC) and is licensed by the Thai Ministry of Education. Curriculum ST.STEPHEN’S offers all students an internationally recognised curriculum that leads to an accredited ST.STEPHEN’S High School Diploma combined with the opportunity for IGCSE, AS and A-Level qualifications in line with the British examination system. Read More :: Core Curriculum :: Oriental Language :: Extended Curriculum :: Creative and Performing Arts :: Co-Curricular Programme & Educational Visits. Admission & Fee