1892 - This substantial three-story building (the old Central High) is in the Second Ward on grounds fronting 136 feet on Lyon street, and 370 feet on Barclay street. The annex (is) on the south side (of this building). Contract let for painting the outside.
1893 - The annex on the south side of the main building is 40x50' in size, and one story high; it is built of wood, and heated y steam; it contains three rooms, with are used for kindergarten purposes.
1895 - partially lighted by gas.
1896 - The closets are located in the basement and are connected with city water and public sewer.
1898 - The closets were entirely inadequate and your committee has enlarged the closets in the basement and also place fully equipped sanitary closets on the third floor on that building. The annex contains two rooms which are used by the Kent Scientific Institute for storing its material.
1900 - grounds 136x370 feet. Heated by steam and lighted by gas. Annex to the south 40x50 feet and one story, built of wood and heated by stove, contains two rooms used by the Kent Scientific Institute.
1905 - plumbing condemed
1912 - woodworking shop building added to grounds