Our Story

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 78 Catholic systemic schools in the diocese (56 primary and 22 secondary) and four Catholic Early Learning Centres with a total student population of over 43,000 students. There are also six congregational (independent Catholic) schools in the diocese.

Historical connections

The Diocese of Parramatta has some of the oldest schools in Australia. St Patrick’s at Parramatta and Parramatta Marist College both have links to the very first Catholic school in the colony, established by Fr John Therry in Hunter Street in 1820. St Matthew’s at Windsor, established in 1835, still serves its community. It is the oldest existing Catholic school in Australia.

Early expansion

A growing population saw many schools open in the years before the Second World War. Built and staffed with absolutely no government financial assistance, the schools served Catholic communities in Blacktown, East Granville, Guildford, Katoomba and Castle Hill.

The ‘Baby Boom’ years

Australia’s population grew rapidly in the 1950s and 60s. An ambitious school building program was successfully pursued to cater for new families in many developing areas, including Lalor Park, Seven Hills, Westmead and Kingswood.

Government support

Some financial relief came to Catholic schools in the 1960s with the funding of science and library facilities. However it was the 1970s that brought a new era of Commonwealth funding for all Australian schools, based on the principles of equality and diversity.

Many new schools opened in the decades that followed. These served numerous parishes, including Winston Hills, North Rocks, Kenthurst, Cranebrook and St Clair.

Our newest schools

Tremendous consolidation and growth continued through the 1990s and into the 21st century with new schools being opened at Marayong, Hassall Grove, Glenwood, Schofields, Castle Hill, Glenmore Park, Bligh Park and Kemps Creek. Our newest primary and secondary schools are located at Rouse Hill, Stanhope Gardens and Westmead.



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  • Having a whale of a time

    St Canice’s Catholic School in Katoomba have become involved in the international Sculptural exhibition at Scenic World Katoomba and have put together a whale out of recyclable materials.
  • Super coach students boost skills

    Neighbouring Greystanes high school and primary school communities are collaborating in an exciting new sporting initiative in which the senior students coach the youngsters to boost their skill levels.
  • Brother Patrick Howlett FMS honoured with Doctor of Education

    Parramatta Marist High School Principal Brother Patrick Howlett FMS has been honoured with the award of a Doctor of Education by the University of Notre Dame Australia.
  • Overheard: Funny moments in the playground

    A boy rushed up to the principal standing in the playground and sought her NRL referee-style intervention about his lunch-time touch football game. What he said was hilarious.
  • Everybody Belongs

    The St Clare’s Catholic High School community celebrated its cultural diversity as a community on 21st March 2017.
  • Harmony Day: How the world should be

    Schools all across the Parramatta Diocese joined in the Harmony Day festivities celebrating the wonderful diversity in one of Australia’s most multicultural areas.
  • Cool STEM students turn up the heat

    Marian Catholic College students from both Year 7 and Year 10 cleaned up in the University of Wollongong new STEM (Science, Technology, Engineering and Mathematics) competition with one group demonstrating how to cool a house in summer time.
  • Our True Blue sports stars shine

    Two students from St Columba’s High School Springwood and another from St Patrick’s Marist College Dundas have won the prestigious Blue Awards for their outstanding efforts in netball, cricket and Aussie Rules.


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