The Diocese of Parramatta is located in one of the fastest growing areas of New South Wales. The diocese is west of Sydney and reaches from Dundas Valley, west to Katoomba, south to Luddenham, and north to Richmond.
There are 80 Catholic systemic schools in the diocese (56 primary, 22 secondary and 2 pre-school to Year 12 schools), 25 Catholic Out of School Hours Care services, two Catholic trade training centres and four Catholic Early Learning Centres with a total student population of over 43,000 students and over 4,500 teachers and staff.