The new campus with a nine building build-out  marks the first phase and first major expansion of  original campus in Palo Alto in more than 125 years. The 35-acre campus is located five miles from the main campus. The new state-of-the-art complex is home to 2,700 Stanford staff members and includes administration, classroom, wellness center, as well a child care center  and utility plant. Cardinal Hall, the first building in Phase 1, was opened March, 2019.