With 51 campuses and learning centers located throughout the U.S. and the Commonwealth of Puerto Rico, including the Online Degree Program and Center for Distance Education, University of Phoenix is one of the largest private accredited institutions for business and management in the United States. Selected graduate courses are also available. Enrollment is open to U.S. citizens worldwide. The Western Governors' University Spectrum Virtual University - Spectrum was one of the first to develop and offer interactive courses by modem. Today, Spectrum is reaching a global audience through the World Wide Web and by electronic mail.
Enrollment is open to all individual, mature learners.
CALC has been teaching courses online since 1986 and specifically through the Internet since 1995. The complete CALCampus catalog is available to the public on the World Wide Web. Their objective is to create a distance learning environment that rivals the traditional classroom environment in the quality and content of the learning experience.