### Clue: Head of troubled university going to sort out staff (6)
### Answer: TUTORS 
 ### Explanation: Definition: staff
 **1st letter of**(Head of) "troubled" + U(abbrev. for "University") **plus**(going to) **anagram of**(… out) SORT.
Defn: … at a learning institution, a university with problems, say. Nice surface.