State schools serving better-off pupils are much more likely to be offering active help with learning than are those serving more disadvantaged pupils.
Mae ysgolion gwladol sy’n gwasanaethu disgyblion mwy cefnog yn llawer mwy tebygol o fod yn cynnig cymorth gweithredol gyda dysgu na’r rhai sy’n gwasanaethu disgyblion mwy difreintiedig.