The ALN system replaces the previous special educational needs (SEN) system and the system for supporting young people with learning difficulties and/or disabilities (LDD). [
Mae’r system ADY yn disodli’r system anghenion addysgol arbennig (AAA) flaenorol a’r system ar gyfer cefnogi pobl ifanc gyda anawsterau a/neu anableddau dysgu (AAD). [