Piarists Rome, RM 00186 Italy The Order of Poor Clerics Regular of the Mother of God of the Pious Schools Latin Ordo Clericorum Regularium pauperum Matris Dei Scholarum Piarum Sch P or S P or in short Piarists is the name of the oldest Catholic educational order also known as the Scolopi Escolapios or Poor... [full article]