Amid a surge in COVID-19 cases in the Silver School District and a struggle to keep classrooms open, Silver Schools now has three National Guardsmen working as substitute teachers. The three are Joaquin Montoya, Richard Aragon and Jonathan Villa. The guardsmen have their substitute licenses from the Public Education Department and are assigned to Cliff Schools, Harrison Schmitt Elementary and G.W. Stout Elementary. Two of the three guardsmen also have …