Related Clues:

• Rule (Abbr.)
• Kind of student, for short
• School where one practices for the sake of practicing?
• Club --
• __ U.S. Pat. Off.
• Doc's prescription
• --- U.S. Pat. Off.
• T size
• Club __
• Trademark type: Abbr.
• Avg., sizewise
• It can follow pre- or precede school
• Gas station abbr.
• Official rule, in slang
• Pill, e.g.