In 1956, with completion of Senior House and the refectory, there were almost 300 boys enrolled, 250 of whom were boarders. The third and current church was built in 1966, consecrated by Cardinal Michael Browne, OP. 1970 saw Newbridge win another Senior Cup, against Blackrock College, with a team trained by Fr John Heffernan, OP and captained by future Irish international Mick Quinn. In 1980 the bridge over the River Liffey was constructed, and the sports fields were moved from the quadrangle to the land across the Liffey.