Before you buy your home in johnson County, tn or rent that johnson County apartment, check out the local schools in your new johnson County, Tennessee neighborhood. Our school finder includes public and private elementary schools, middle schools and high schools, as well as colleges and universities in johnson County. Here you can find important information about johnson County schools such as addresses, enrollment, staffing and student demographics. johnson County, Tennessee school information made easy with AOL Real Estate. Start browsing johnson County cities/towns today by clicking one of the links below.