The foundation phase average point score included in WIMD 2019 is a three year average for academic years 2015/16, 2016/17 and 2017/18.
Buddsoddiad mewn Ymarfer Cyffredinol yng Nghymru ar gyfer y flwyddyn ariannol 2016 i 2017 i'r flwyddyn ariannol 2020 i 2021