English: Self-evaluation Manual (for schools)
Welsh: Canllaw Hunanarfarnu (ar gyfer ysgolion)
Subject: Addysg
English definition: A series of manuals produced by Estyn for i) non-maintained settings, ii) primary schools, iii) secondary schools, iv) special schools and pupil referral units.
Welsh definition: Cyfres o ddogfennau canllaw gan Estyn ar gyfer i) lleoliadau nas cynhelir, ii) ysgolion cynradd, iii) ysgolion uwchradd, iv) ysgolion arbennig ac unedau cyfeirio disgyblion.