A middle school in Boston is already using educational technology to boost student attendance, motivation, interest, and academic performance. This article details how technology will become an essential component of the public and private educational system by 2020. According to the article, the number of teachers expected to be employed as classroom teachers will fall but the number of high school students enrolled in online classes will rise.
http://www.nytimes.com/reuters/technology/tech-usa-education-technology.html?_r=1&oref=slogin