Kasetsart University Laboratory School, Center for Educational Research and Development (Thai: โรงเรียนสาธิตแห่งมหาวิทยาลัยเกษตรศาสตร์ ศูนย์วิจัยและพัฒนาการศึกษา; RTGS: Rongrian Sathit Haeng Mahawitthayalai Kasetsat Sun Wichai Lae Phatthana Kansueksa), informally known as Satit Kaset (Thai: สาธิตเกษตร; RTGS: Sathit Kaset), is a well-known laboratory school in Bangkok, Thailand, operated under the auspices of Kasetsart University's Faculty of Education.

[2] Kasetsart University Laboratory School was established on 22 April 1971 as the field base for the students of the Faculty of Education, under John Dewey's principle "The conception underlying the school is that of a laboratory ...

It has two main purposes: (1) to exhibit, test, vertify and criticize theoretical statements and principles, (2) to add to the sum of facts and principles in its special line.".

[3] The International Program of Kasetsart University Laboratory School was first provided in 1994.

It was the result of the government's plan to develop the English skill of Thai people.