Patumwan Demonstration School , commonly known as Satit Patumwan, is a Public Secondary school located in downtown Bangkok, Thailand. It admits secondary students (mathayom 1–6, equivalent to grades 7–12 or High School). The school entrance examination is regarded as one of the most competitive exam at the Mathayom 1 level. With its excellency in the Academics level and the Extracurricular levels, Satit Patumwan is renowned as one of the country's leading secondary school, particularly in the junior sector (mathayom 1-3).

Patumwan Demonstration School's campus is situated adjacent to Chulalongkorn University

Chulalongkorn University

Chulalongkorn University is the oldest university in Thailand and is the country's highest ranked university. It now has nineteen faculties and institutes. Regarded as the best and most selective university in Thailand, it consistently attracts top students from around the country...

 and Triam Udom Suksa School

Triam Udom Suksa School

Triam Udom Suksa School is a state school located in downtown Bangkok, Thailand. It admits upper-secondary students and has the largest yearly enrolment in the country...

 on Henri Dunant Road, Pathum Wan District in the heart of the city's commercial district.

Education

The school's consisted of students of Mathayom 1-6, it has 50 classes; 38 regular program classes and 12 in the english program. It accepts regular admission in mathayom 1 and 4. In the junior years (mathayom 1-3) the syllabus is uniform in all the students, but in the senior years (mathayom 4-6) the school's syllabus is divided into 4 programs with different subjects;

• Science–​Mathematics
• Mathematics-Arts (English)
• Mathematics-Arts (German/French)
• Arts–Mathematics (English)*

Difference between the Science–​Mathematics and the Art programs is that Art programs doesn't include any science subject in the syllabus, the program is focused in the study of Liberal arts each of them differs in their choice of foreign language, but the Science–​Mathematics has only the choice of English as a foreign language. These programs will be chosen by the student entering mathayom 4 and can't be changed until graduation. The programs are aimed to aid the students during their university periods, even in the stage of entrance preparation.

English Program (EPTS)

Satit Patumwan has an English program, established in 1996, teaching most core subjects in English language called the EPTS (English Program for Talented Students). The EPTS program is available in all the grades and must be chosen prior to the school's admission. It has 2 classes each grade, of around 36 students a class. The program is fully equipped in education facilities; it has its own, separate science laboratory, computer lab and library, exclusively in English books.