Oakhill College held a Dedication Day Mass recently to recognise the outstanding HSC results of its former year 12 students.
Former students returned to the Castle Hill for the event.
The top achieving student, Mark Moussad, received an ATAR of 99.50.
He was closely followed by Dominic Lukaszewicz with an ATAR of 99.25 and Daniel Kwarcinski with an ATAR of 99.10.
Ten students received an ATAR greater than 97 and 18 were above 95.
Other significant student results: John Fitzpatrick placed second in Italian continuers and Sabrina Delgado received a placing in earth and environmental science.
Both Mark and John were listed on the distinguished achievers list, having received Band 6 results in all of their subjects.