Evergreen Ridge LLC will be converting the former Somers IBM Campus designed by I.M. Pei & Partners into a private high school focused on STEM (Science Technology Engineering and Math) curriculums. PEI Architects has been selected to oversee the design of the renovation and to construct a new 30,000-square-foot Athletic Center on site. KG+D architects of Mount Kisco, NY will be the executive architect and school planner. The private boarding and day school will have the capacity to enroll 1,800 students on the 150-acre campus.