Ranking: #1: Pennsylvania State University The Pennsylvania State University (commonly referred to as Penn State or PSU) is a public, Flagship, state-related, Land-grant, Sea-grant, Space-grant, Sun-grant, research-intensive university with campuses and facilities throughout Pennsylvania. Founded in 1855, the university has a stated threefold mission of teaching, research, and public service. U.S. News Ranking: #48 among …