It was around the early ’80s that backpacks started to be used more in schools as a way for kids to carry necessary materials such as school books. Before this kids would use things such a book bags because lugging around books in their arms along with a notebook and pencil box was quite challenging to do. When kids entered high school and college, they were supplied with lockers to help keep track of these things. But even at this age, students found that they still preferred the convenience of using a backpack instead because it helps them carry all their necessary materials from class to class.