Charters Towers State High School (CTSHS) is a public co-educational secondary school, located in the Charters Towers suburb of Charters Towers City, Queensland, Australia.

[1][2] It is administered by the Queensland Department of Education, with an enrolment of 372 students and a teaching staff of 39, as of 2023.

[2] The school serves students from Year 7 to Year 12,[1][2] and is one of the oldest state secondary schools in Queensland still operating.

[5] In 1976, three teachers were suspended from their teaching roles at the school after being convicted of possessing Marihuana.

[6] In 1919, the school had an enrolment of 164 students, with an average daily attendance of 117.