Possible Clues:

• Security services emphasise her didactic skills
• I'm back to emphasise that she's the boss (8)
• ''Elvira, --- of the Dark''
• I am going all wrong with the strain of her
• Schoolteacher.
• Behead her, and what's left is her hair
• Will she stir the mess into the mess?
• Fancy woman showing motorway nerves
• Term is embarrassment for Sunday School teacher?
• No wife would stir this into a mess