Overall, the failure of leaders to implement systems to identify strengths and weaknesses in schools has resulted in a lack of challenge and too little improvement in standards.
Ar y cyfan, mae methiant arweinwyr i weithredu’r systemau ar gyfer pennu cryfderau a gwendidau mewn ysgolion wedi arwain at ddiffyg her ac at ddiffyg gwelliannau mewn safonau.