Large class sizes
Ten LEAs whose school class sizes should be smaller given their pupil-teacher ratio (primary):
Kensington and Chelsea
Camden
East Sussex
Enfield
Lambeth
Lewisham
Blackburn with Darwen
Blackpool
Wandsworth
Islington
Small class sizes
Ten LEAs whose class sizes are small despite their pupil-teacher ratio (primary):
Slough
Walsall
Stoke on Trent
Derbyshire
Staffordshire
Northumberland
Norfolk
Bedfordshire
Hillingdon
Lincolnshire