The Evolution of Classroom Technology By kshanahan 1900 The one room schoolhouse 1923 Classrooms begin incorporating radios into penmanship, accounting, history and arithmetic lessons 1930 Overhead projectors spread to schools 1939 First TV appears in a classroom in LA. 1950 Headphones become popular in schools 1960 Whiteboards replace chalkboards 1967 Texas Instrument develops the handheld calculator 1972 Scantrons are used to grade multiple choice tests 1984 Macintosh computers are introduced in the classroom. 1988 Laptops are introduced and utilized as a teaching tool. 1991 SMART boards are introduced in schools. 2002 99% of public schools have internet access. 2012 1.5 million iPads are used in schools. 2013 90% of students have access to mobile technology.
