an independent school included in the register of independent schools in Wales (kept under section 158 of the Education Act 2002 (c. 32))
ysgol annibynnol wedi'i chynnwys yng nghofrestr ysgolion annibynnol Cymru (a gedwir o dan adran 158 o Ddeddf Addysg 2002 (p. 32))