The push toward virtual education is part of a national trend at colleges and K-12 schools. According to an annual Sloan Survey of Online Learning at 2,500 colleges and universities, 29 percent of students took at least one course online in fall 2009, up from nearly 12 percent in fall 2003.
Online courses appeal to universities because they can yield higher profits.
The classes have higher student-teacher ratios, meaning the cost of paying teachers is spread out over more students. Also, building and maintenance costs are lower because online doesn’t use classrooms.
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