Mae gan Weinidogion Cymru bwerau o dan adran 19 o Ddeddf Safonau a Fframwaith Ysgolion 1998 i gyfarwyddo awdurdod lleol i gau ysgol y mae arni angen mesurau arbennig.
Welsh Ministers have the power under section 19 of the School Standards and Framework Act 1998 to direct a local authority to close a school which requires special measure.