Online courses in grades K-12 classrooms are growing- one million students in the United States take them. Advocates say online courses allow "schools to offer make-up courses" as well as "a richer menu of electives in AP classes when there are not enough students to fill a classroom."Opponents argue online courses are driven by "a desire to spend less on teachers and buildings, especially as state and local budget crises force deep cuts to education." Can technology substitute teachers? Would it cost teachers their jobs?
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