Castleknock National School is a single stream Church of Ireland School
There are 12 teachers.
The Principal/Head teacher is Ms. Sandra Moloney
The Deputy Principal is Mrs. Aoife McMurdock
The pupils are divided into eight classes.
There is a team of three Special Educational Teachers.
Generally pupils begin school when they are four and a half or 5 years old and transfer to secondary school when they are twelve years old.