Radios started appearing in classrooms in 1923. They were the start of technology in Education. Radios allowed on-air lessons and school broadcastings. The use of this technology delivered messages to large numbers of people in the world, which greatly advanced classrooms back then.
The first TV appeared in the classroom in 1939. At first, they were used to give students updates about what was going on in the world. Then, as they became more advanced, they began to to convey messages about schooling.
Headphones became popular in the early 1950's. Classrooms began using headphones for language learning purposes. By listening to audio tapes through the headphones, students could easily review lessons and learn the language concepts.
The first overhead projector was introduced to the classroom in the 1950's, prior to being used during World War II. The use of these transparent sheets allowed an alternative to the blackboard. This technology displayed a clean and simple look for teaching.
The first handheld calculator was introduced in 1967 by Texas Instruments. Beforehand, students only had paper and pencil in classrooms. Then, the use of this technology grew, allowing calculations to be made quick and easy.
Schools started using scantron machines in 1972. This invention allowed teachers to grade quizzes and tests in a matter of a couple of minutes. Classrooms today, still use scantron machines to grade class work.
The first Apple Macintosh computer was developed in 1984. Classrooms began to start using computers in their everyday learning after this invention. They allowed easy access to classwork for students.
In 1994, only 35% of classrooms had internet access. By 2002, it eventually grew to 99%. Internet allowed easy access to online sources and classwork.
By 2012, 1.5 millions iPads were provided by schools. Every student had access to this device in their classroom. iPads allowed easy access to online work done in class and at home.
Schools started providing chromebooks for every student once the iPad became old. At Grand Island Senior High, every student has their own personal laptop that is used in the classroom and at home.