It is offered only to schools outside the UK.[5] It is considered by the UK NARIC (the National Recognition Information Centre for the United Kingdom) to be of a comparable standard as the GCE Advanced Level.[6] In addition, Edexcel provides the Edexcel International Diploma (ID) which involves the study of 4 A-Levels (3 full A-Levels and 1 AS-Level in either General Studies or Global Development).[7][8] The British curriculum offered by the Edexcel International board is among the most taught at International Schools along with the curricula offered by Cambridge International Examinations and, the International Baccalaureate Organization.[9]