Possible Clues:

• See the C-in-C for such knowledge
• Not artful knowledge
• Part of B.S.
• It's not always exact
• Scene 1 goes on for about a century
• With C on this, such knowledge might prick one
• Nieces bustle about college getting knowledge
• & 22 Experimental master?
• Fictional school subject?
• Ontario's ____Centre