 In May 1838 he was on the committee of the South Australian School Society, and was also on various other committees.On 28 February 1843 he was chairman of a meeting called to discuss the best means of civilising the Aboriginal Australians, in 1847 he was appointed coroner for the Province of South Australia, and in 1849 he was a member of the provisional committee of the South Australian Colonial Railway Company, one of three public companies contending to build a railway between Adelaide and Port Adelaide; the others being the South Australian Railway Company and Adelaide City and Port Railway Company.Wyatt was appointed Inspector of Schools for South Australia in 1851 (retiring in 1874) and for the remainder of his life was in every movement that touched the educational or welfare of the colony.