Grant High School (Mount Gambier)

Grant High School is a public secondary school situated in Mount Gambier, South Australia.

Students
Grant High School has around 742 students in grades 8–12.

Facilities
Grant High School has many facilities: a large library, three large sports ovals, a sufficient computer room, and a gymnasium. A bi-annual school production featuring a range of students is held at the Sir Robert Helpmann Theatre. Both classic and teacher-written productions have been used. At the ARIA Music Awards of 2018, the school's Scott Maxwell won Music Teacher of the Year.

Athletic programs
Grant High School is big on sport. Its main sporting focus is on cricket, Australian rules football, baseball, netball, basketball, and soccer. A few years ago, a group of their baseball students went to Perth, Western Australia to compete in a national competition. There is also a thriving competitive chess community.