Tanjay City Science High School (TCSHS) is a public high school located in Tanjay City, Negros Oriental, Philippines. It is a science high school recognized by the Department of Education.
The school was established in 2003 on a different, smaller campus. Its first graduating class had 13 students. The following year, the school moved to its present-day campus. It adapted e-classroom applications with help from the Department of Education.