The greatest proportion of schools’ timetable was spent teaching Mathematics (13.5%), English (12.9%), Science [ footnote 6 ] (10.2%), Welsh (7.3%) and Physical Education (6.7%).
Roedd y gyfran fwyaf o amserlen ysgolion yn addysgu Mathemateg (13.5%), Saesneg (12.9%), Gwyddoniaeth [ troednodyn 6 ] (10.2%), Cymraeg (7.3%) ac Addysg Gorfforol (6.7%).