Coláiste Phádraig (St.Patrick's College) is a Christian Brothers secondary school for boys in Lucan, County Dublin, Ireland. It is located in an estate called Roselawn with a relatively large campus that includes three basketball courts, two football pitches, a large school building and a modern sports hall which includes a school gym. Coláiste Phádraig is part of the Edmund Rice Trust schools.
The school opened in September 1969 when it had two teachers and forty-five students. It originally consisted of a two classroom prefabs. During the 1970s, as student numbers increased, more and more prefabs were added. A new school building was opened in the Autumn of 1978. At this stage there were about 30 teachers and 400 students. By 2000 this new school building was no longer big enough and a large extension was built that containing computer and science labs and a careers library. New metalwork and woodwork rooms and a gym were also added. This extension was opened in 2004 and the school now has over 600 students and 50 teaching and ancillary staff.
As of 2013, 52 teachers are situated in the school, which is attended by over 750 students. Anthony Brady is the current principal. 34 different nationalities are represented in the school. A memorial garden has been erected in the school for Mark O'Neill, a student who died while attending the school. The school is one of the largest all-boys schools in Dublin.
The school operates a series of extra curricular activities. For the past three years they have been the Dublin school with the most participating students in the BT Young Scientist competition. In 2012, the school's first year soccer team won the Leinster Cup, a schools tournament organised by the FAI. Recently, the school introduced rugby, cricket, hockey and Ultimate Frisbee teams, as well as a debating squad who will compete in the Oxford Schools Competition.
The school is the reigning All-Ireland Champions at the 'A' Grade in U16 Basketball following a meteoric rise.