There were 391 pupils (0.4%) in unlawfully large classes of over 30 pupils at February 2022, little change from 385 pupils (0.4%) at April 2021.
Roedd 391 pupils (0.4%) mewn dosbarthiadau babanod mawr anghyfreithlon o dros 30 disgybl ym mis Chwefor 2022, dim newid o 385 disgybl (0.4%) yn Ebrill 2021.