Lagos and Victoria Island. Three major bridges join the island to the mainland. They are the Carter Bridge, which starts from Iddo; the Eko Bridge (formerly called the Second Mainland Bridge); and the Third Mainland Bridge, which passes through densely populated mainland suburbs to the Lagos Lagoon. Lagos Island contains a central business district. This district is characterised by high-rise buildings. The island also contains many of the city's largest wholesale marketplaces (such as the popular Idumota and Balogun Markets). It also has the National Museum of Nigeria, the Central Mosque, the Glover Memorial Hall, Christ's Church Cathedral (CMS) and the
Lagos Preparatory School Aside from the British International School in Cairo and the Maadi British International School, also in Cairo, Lagos Prep is the only school in Africa that is COBIS-accredited; the others are in various European countries, Brunei, China, the Middle East and Turkey. In February 2011, following an inspection by the Independent Schools Inspectorate (ISI), the school claims, it became the first British School in Africa to meet the UK Department for Education (DfE)'s current standards for British Overseas Schools. The DfE does in fact recognise Lagos Preparatory School as one of only 12 overseas schools that satisfy its "standards required