Rendelsham is located approximately 10 kilometres north of Millicent on the Southern Ports Highway, it is 18 kms south of Beachport and 60 kms west of Penola via Millicent. The local industries are dairy, cattle, sheep farming, cropping, carrot seed production.
Rendelsham was gazetted in 1880 and named after a parish in Suffolk, England. The Mt Gambier /Beachport railway line passed through Rendelsham and was at one time the 4th busiest in the state. The station closed in 1956. In 1955 a bushfire raged through the area destroying 11 homes and the school; because of the peat soils it was months before the fires were bought under control. Crops of potato and chicory have historically provided a living for hardworking farmers of the district.