is headquartered at ASU's SkySong campus in Scottsdale, Arizona. ASU Online was ranked in the Top 4 for Best Online Bachelor's Programs by U.S. News & World Report. Online students are taught by the same faculty and receive the same diploma as on-campus students. ASU online programs allow students to learn in highly interactive environments through student collaboration and through technological personalized learning environments. In April 2015, ASU Online announced a partnership with edX to form a one of a kind program called the Global Freshman Academy. The program is open to all potential students. The students do not need to submit a high school transcript or GPA to apply for the courses. They only pay for the courses ($600 per credit) after they have passed the course if they want to earn the credits. As of spring 2017, more than 25,000 students were enrolled through ASU Online. In June 2014, ASU Online and Starbucks announced a partnership called the Starbucks College Achievement Plan. The Starbucks College Achievement Plan offers all benefits-eligible employees full-tuition coverage when they enroll in any one of ASU Online's undergraduate degree programs. Mayo Clinic School of Medicine, in collaboration with ASU In 2016, Mayo Clinic and ASU formed a new platform for health care education and research: the Mayo Clinic and Arizona State University Alliance for Health Care. Beginning in 2017, Mayo Clinic School of Medicine students in Phoenix and Scottsdale are among the first to earn a certificate in the Science of Health Care Delivery, with the option to earn a master's degree in the Science of Health Care Delivery through ASU. Thunderbird Campus Thunderbird School of Global Management is one of the newest units of "Arizona State University Knowledge Enterprise." The flagship campus was in Glendale, Arizona, at Thunderbird Field No. 1, a former military airfield from which it derives its name, until 2018 when the Thunderbird School relocated to the Downtown area. Barrett and O'Connor Center Following a nearly 15-year presence in Washington, D.C., through more minor means, ASU opened the Barrett and O'Connor Center in 2018 to solidify the university's contacts with the capital city. The center houses ASU's D.C.-based academic programs, including the Washington Bureau of the Walter Cronkite School of Journalism and Mass Communication, the Sandra Day O'Connor College of Law Rule of Law and Governance program, the Capital Scholars program, and the McCain Institute's Next Generation Leaders program,