Triamudomsuksa pattanakarn Ratchada School (TUPR) (Thai: โรงเรียนเตรียมอุดมศึกษาพัฒนาการ รัชดา [trīːəm ùʔdōm sɯ̀k.săː rat tʃʰa daː]) originally known as Pracharat Upatham School. And often nicknamed as Triampatratchada is a school located in Bangkok, Thailand. The school covers around 10 Rai (16,000 m²) and it educates around 3,500 students from Mathayom 1 - 6 (Grade 7 - 12). It is also next to Ratchadaphisek Road which makes it easy for students to go to this school