Educating ___ , 1980 Willy Russell stage comedy (4)
I believe the answer is:
rita
(Other definitions for rita that I've seen before include "...Hayworth, ...Coolidge, ... ''Educating ...''" , "subject of education" , "-- Hayworth, US film actress" , "Lovely -- , meter maid (Beatles)" , "Educating - - , film" .)