Mae BBC Cymru wedi cyhoeddi ffigurau ar berfformiad ysgolion uwchradd unigol yng Nghymru. Roedd y cyhoeddiad hwn wedi’i seilio ar ddata roeddent wedi gofyn amdano ac wedi ei dderbyn o dan Ddeddf Rhyddid Gwybodaeth 2000.
BBC Wales has published figures on the performance of individual secondary schools in Wales. This publication was based on data they had requested and received under the Freedom of Information Act 2000 (FOI).