[1][2] It is administered by the New South Wales Department of Education, with an enrolment of 1,095 students and a teaching staff of 52, as of 2023.

[3][4] The original school building is listed on the New South Wales Heritage Register.

At the time, Castle Hill was a rural community and the original building comprising a single classroom and a teacher residence provided for 64 students.

As the school and its community grew, additional land was acquired and buildings added.

Building started mid-1997 and the new Castle Hill Public School was completed in October 1998.