A Post Office opened at Mitchell Downs in 1865, mail services commencing for the surrounding district at this time.

A new school building and residence were completed by contractors Joseph and John Warren for £470 in 1880, by which time there were 66 pupils.

During construction of the new building, lessons were taught in the old residence and the playsheds, and held in the supper room of the Shire Hall during winter.

A glazed partition divides the infants' and main school rooms, both of which are cove-ceiled with stamped metal.

[1] A single storeyed building elevated on concrete stumps, the school was a timber-framed structure with weatherboard walls and a corrugated iron roof.

The former classroom area was rectangular in plan, with verandahs running along the full extent of the longer north western and south-eastern facades.

Outside the basic rectangle was the former teacher's room, which was positioned in the centre of the south-eastern facade abutting the adjacent verandah.

[1] Casement windows, positioned symmetrically in the gable ends, were protected by timber framed awnings.

[1] The concrete play area under the building was partly enclosed by corrugated iron screen walls and timber battens.

[1] Mitchell State School (1914 Building) was listed on the Queensland Heritage Register on 6 June 1994 having satisfied the following criteria.

The timber architecture was typical in both layout and detail of early 20th century classroom accommodation designed by the Queensland Works Department.

[3] As at 2017, five sites had been removed, including the 1914 building as it was demolished as part of an approved development:[4] This Wikipedia article was originally based on "The Queensland heritage register" published by the State of Queensland under CC-BY 3.0 AU licence (accessed on 7 July 2014, archived on 8 October 2014).