'Main School' at the Presbyterian Ladies' College, Sydney

The Presbyterian Ladies' College, Sydney (PLC Sydney) is an independent, Presbyterian, day and boarding school for girls in Croydon, an inner-western suburb of Sydney, Australia. The school has a non-selective enrolment policy for all years but Year 11, and caters for approximately 1,350 girls from age four (Branxton Reception) to age eighteen (Year 12), including 65 boarders. Students attend PLC from all regions of the greater metropolitan area, New South Wales, and overseas.

Established in 1888 by the General Assembly of the Presbyterian Church of NSW, PLC is the oldest continuously running Presbyterian Church school in its state. The college is a founding member of the Association of Heads of Independent Girls' Schools and is affiliated with the Association of Heads of Independent Schools of Australia, and the Junior School Heads Association of Australia. PLC is one of two Sydney schools in the Round Square organization. In 2001, The Sun-Herald ranked PLC Sydney fourth in Australia's top ten girls' schools, based on the number of alumni mentioned in the Who's Who in Australia (a listing of notable Australians). Notable alumni include the first qualified female architect in Australia and other pioneering women in education, law, and medicine.