09a Whatever it takes - with every conceivable charge - no matter (2,3,5)
?? ??? ?o?t?
12/13a Lowest of all classes in the UK ? (5,4) ???s? ?a??
18a Herewith, head of school grants reassessment of what's required
(3,5,7) ??? ??g?d ???w?r?
05d Sounds like much intended for a share, could be a plot (9)
Thanking you