Possible Clues:

• Religious school
• Looks after potential ministers to replace marines on the Fourth of July
• Where ministers could have learnt from poor miner, say
• School at which students are collared?
• Many rise when trained in educational establishment
• Before the final reproduce yarn in student accommodation for expectant fathers
• Priesthood school
• Religious training college
• Domestic property, not a private school
• That's nary a half of what you'll learn there