Triamudomsuksa pattanakarn Ratchada School (Thai: โรงเรียนเตรียมอุดมศึกษาพัฒนาการ รัชดา [trīːəm ùʔdōm sɯ̀k.săː rat tʃʰa daː]) is a school in Bangkok, Thailand, established in 1961.
| Triamudomsuksa pattanakarn Ratchada School | |
|---|---|
| Address | |
| Information | |
| Type | Government |
| Established | 10 February 2003 |
| Status | Secondary school level |
| School board | Bangkok Education Service Area Office 2 |
| School district | Huai Kwang |
| Authority | Office of the Basic Education Commission |
| School number | 1010720084 |
| Teaching staff | 159 |
| Grades | 7-12 (mathayom 1–6) |
| Gender | Coeducational |
| Average class size | 40 |
| Student to teacher ratio | 1:25 |
| Language | Thai; English; Chinese; French; Japanese |
| Campus type | Urban |
| Colour(s) | Pink-blue |
| Website | www |