Possible Clues:

• One imparting history finally covering king's betrayal
• React badly -- girl's capacity ultimately for deceit
• To accomplish low grade in test amounts to disloyalty
• Perfidious behaviour
• Contact Queen in case of Tory back-stabbing
• What's an attempt to arrest every member of royal family?
• Go as far as Spain in attempt at betrayal
• Double-dealing, attempt to slip her ace in
• Deceptiveness of pedagogues, dare one say, welcoming resistance?
• Attempt to capture soldiers joining a guerrilla in perfidious conduct