Coláiste Chiaráin (in English: the College of St. Kieran), also known as Leixlip Community School, is a co-educational community school in Leixlip established in 1980 under the trusteeship of the Presentation Sisters, the Archbishop of Dublin and Co Kildare VEC. As of 2024, it had approximately 580 students enrolled. Coláiste Chiaráin's motto, in Irish, is "Tús Feasa Fiafraí" which means "enquiry is the beginning of knowledge".

Situated roughly northwest of Leixlip town, Coláiste Chiaráin adjoins a local Gaelic Athletic Association (GAA) with which it shares pitch facilities. The school has 1 GAA pitch, 1 soccer pitch, 2 tennis courts and 2 basketball courts.

• Emma Byrne (b. 1979) - footballer

• Coláiste Chiaráin: A 25 Year Anniversary (published by the school, printed by Mullen Print)