There were 5,992 pupils (6.0%) in infant classes of over 30 pupils at February 2022, down from 7,617 pupils (7.5%) at April 2021.
Roedd 5,992 disgybl (6.0%) mewn dosbarthiadau babanod o dros 30 disgybl ym mis Chwefor 2022, down from 7,617 disgybl (7.5%) yn Ebrill 2021.