Castlereagh Public School is located in Castlereagh, NSW. It is a Primary school with a total of 114 students and a student-to-teacher ratio of 1 to 16.
Penrith Lakes Environmental Education Centre is located in Castlereagh, NSW. It is a Combined school with a total of students and a student-to-teacher ratio of 1 to 1.
The Lakes Christian College is located in Castlereagh, NSW. It is a Combined school with a total of 316 students and a student-to-teacher ratio of 1 to 12.