art 4 Designation of the Schools
(1) A school listed in the Schedule to this Order is designated as a school having a religious character. (2) The relevant religion or religious denomination in relation to a school listed in the Schedule to this Order is— (a) Church in Wales, in the case of a school listed in Part I of the Schedule; (b) Roman Catholic, in the case of a school listed in Part II of the Schedule; and (c) Roman Catholic and Anglican, in the case of a school listed in Part III of the Schedule.