3 Across Unacceptable behaviour in unruly class (3,4)
9 Across, Gritty old woman in the family? upper class - miss (9)
12 Across, Disappear furtively as cricketer that's got dismissed (4,3)
13 Across, Fellow who may be down to earth is a chap I trust somehow (11)
Compiler - QUIXOTE
Many thanks