A virtual campus or e campus, refers to the online offerings of a college or university where college work is completed either partially or wholly online, often with the assistance of the teacher, professor, or teaching assistant. Many colleges and universities now offer such courses (or entire degree programs) either partially or wholly online. There are an estimated 4,500 such institutions with total enrollments approaching perhaps 2,000,000. A virtual campus or e campus, refers to the online offerings of a college or university where college work is completed either partially or wholly online, often with the assistance of the teacher, professor, or teaching assistant. Many colleges and universities now offer such courses (or entire degree programs) either partially or wholly online. There are an estimated 4,500 such institutions with total enrollments approaching perhaps 2,000,000. The majority of students using virtual campuses to obtain online degrees are adults students for three main reasons: Schools use a variety of tools for conducting classes – typically called learning management systems (LMS) or course management systems (CMS). CMS may also refer to CONTENT Management Systems.