The building was designed for later extension by the addition of the gymnasium and further classrooms. The plan of the building was a long rectangle containing all but the craft rooms (a separate single storey block) and the kitchen.
The structure was initially planned with the intention of being enlarged in the future by incorporating a gymnasium and additional classrooms. The overall design featured a lengthy rectangular shape encompassing nearly all spaces, excluding the craft rooms ( housed in a standalone single-story building) and the kitchen.