Y Ffindir, lle na cheir unrhyw gynghreiriau ysgolion, yw un o’r gwledydd sy’n perfformio orau mewn nifer o ddangosyddion addysg. Fel y Ffindir, mae angen i ninnau ganolbwyntio ar ddefnyddio data’n effeithiol er mwyn edrych ar berfformiad ysgolion ac ysgolion cymharu - sef ysgolion tebyg o ran demograffeg cymdeithasol - a dysgu o’r data hwnnw.
One of the best-performing countries according to a range of education measures is Finland where they do not have league tables.  Like Finland we need to focus on using data effectively to look at school performance and comparator schools, schools with similar socio-demographics and learning from the data.