CBS Thurles is a Christian Brothers all-boys post-primary school located in Thurles, County Tipperary, Ireland.

[1] CBS Thurles was founded in 1816 by William and Thomas Cahill.

[2] The composite monastery and school was situated in what was then known as Pudding Lane and catered for both primary and secondary pupils.

Their numbers having declined, the Christian Brothers no longer have day-to-day involvement in the administration of the school.

[3] As well as the Junior Cycle and Leaving Certificate, the school offers an optional Transition Year programme and the Leaving Certificate Vocational Programme.