The beloved hymn written by Austrian priest Fr Joseph Mohr was first performed in December 1818.
Around 40% of pupils today are Muslim and there are up to three dozen nationalities at the school.
The people of New Ross lend support to local Carmelite monastery as it prepares to celebrate its bicentenary in 2016.
Salesians all over the world are celebrating the bicentenary of St John Bosco (1815-1888) in August.
Royal visitors viewed St Patrick’s most treasured artwork, the ‘Madonna of the Lakes’ altarpiece, painted and gifted to the parish by one of its renowned sons, Sir John Lavery.