Oñate had originally moved into Sierra Middle school in 1988, before the construction of the current building in 1993, and was Las Cruces ' Third high school. The school was to be built with a planetarium and largest performing art center out of the three schools. The construction for the building begun in 1991. The school was built to look like a castle, from its brick to its layout, and has a royal theme. The match the theme, black and white were chosen as the schools colors, and the Knight became its mascot.
when was the current onate high school building built
1993