The common core is a set of high quality standards in mathematics as well as English language arts/literacy (ELA). For many years, states have utilized different standards for what students should know and be able to do at each grade level. The common core provides consistent, strong, clear benchmarks for math, English/language and arts/literacy. Education Top Ten offers common core aligned content that is elementary, middle and high-school based. We will continue to expand our library to ensure that you have access to everything that you need!