The first phase of the review includes a survey for schools and pupil referral units asking for their views and experience, followed by more in depth engagement with teachers.
Mae cam cyntaf yr adolygiad yn cynnwys arolwg ar gyfer ysgolion ac unedau cyfeirio disgyblion yn gofyn am eu barn a'u profiad, ac yna bydd ymgysylltu manylach ag athrawon.