Show-offish know-it-all
Else clues• Academic
• Book-smart person
• Bookish one
• Bookish sort
• Bookworm
• Doctrinaire
• Dogmatic one
• Dogmatic teacher
• Dryasdust
• Educated show-off
• Formalist in teaching
• Hairsplitter
• Hairsplitting scholastic
• Intellectual nitpicker
• Intellectual show-off
• Know-it-all
• Know-it-all type
• Nit--picker
• Nit-picking type
• Nitpicking one
• One who goes strictly by the book
• One who shows off his education
• Overdone egghead
• Petty point maker
• Prig
• Professorial showoff
• Scholarly stickler
• Scholastic exhibitionist
• Show-off scholar
• Stickler
• Stickler for detail
• Strict teacher
• Stuffed shirt
• Stuffy scholar
• Teacher that goes strictly by the book
• Trivia master
• Tyrannical teacher?
• A person who pays more attention to formal rules and book learning than they merit