This research has been undertaken as part of Administrative Data Research (ADR) Wales planned programme of work 2022-2026 (ADR Wales) funded by the Economic Social Research Council.
Maent yn adeiladu ar y fframwaith trosfwaol o oruchwyliaeth reoleiddiol y darperir ar ei gyfer yn Neddf Addysg Drydyddol ac Ymchwil (Cymru) 2022.