Gilbert and Ellice Islands colony caused the Polynesians of the Ellice Islands to vote for separation from the Micronesians of the Gilbert Islands (later Kiribati). The following year, the Ellice Islands became the separate British colony of Tuvalu. In 1947 Tarawa, in the Gilbert Islands, was made the administrative capital. This development included establishing The King George V Secondary School for boys and the Elaine Bernacchi Secondary School for girls. A Colony Conference was organised at Marakei in 1956, which was attended by officials and representatives from each island in the Gilbert and Ellice Islands Colony, conferences were held every two years until 1962.
Gilbert and Ellice Islands which was operating on Ocean Island, and questioned the impartiality of Mahaffy. The seat of government was then moved to Ocean Island (now known as Banaba Island), which had been included in the protectorate in 1900, to take advantage of the improved shipping connections resulting from the Pacific Phosphate Company's activities, and the status of the islands was changed on 12 January 1916 to that of a Crown Colony. The role of the British colonial authorities emphasised the procurement of labour for the Ocean Island phosphate mining and keeping order among the workers. The islands became a Crown colony on