Triam Udom Suksa School
| Triam Udom Suksa School โรงเรียนเตรียมอุดมศึกษา | |
|---|---|
| Address | |
| Coordinates | 13°44′27″N 100°31′57″E / 13.74083°N 100.53250°E |
| Information | |
| Former name | University Preparatory School, Chulalongkorn University |
| Type | State school |
| Motto | Nimittaṃ sādhurūpānaṃ kataññū kataveditā (Appreciation and reciprocation is an emblem of the good) |
| Established | 3 January 1938 |
| Founder | Pin Malakul |
| Authority | OBEC |
| Teaching staff | 219 |
| Grades | 10–12 (mathayom 4–6) |
| Gender | Coeducational |
| Enrolment | 4,280 (2017 academic year) |
| Classes | 111 |
| Campus size | 80 rai (13 ha; 32 acres) |
| Colour(s) | Pink |
| Website | www |
Triam Udom Suksa School (Thai: โรงเรียนเตรียมอุดมศึกษา, pronounced [rōːŋ.rīa̯n trīa̯m ʔū.dōm sɯ̀k.sǎː]; lit.'university-preparatory school') is a state school in central Bangkok, Thailand. It admits upper-secondary students (mathayom 4–6, equivalent to grades 10–12) and has the largest yearly enrollment in the country. Founded in 1938 as a preparatory school for Chulalongkorn University, the school has long been regarded as the best secondary school in Thailand, and attracts students from all over the country in its highly competitive entrance examinations.