Jo Byrns High School is a public high school near Cedar Hill, Tennessee. It is part of Robertson County School district. The school has 559 students in grades 6âÂÂ12.
The school is named after Jo Byrns, the 41st Speaker of the United States House of Representatives, who was born and raised in Cedar Hill. Jo Byrns High School was a KâÂÂ12 school, until Jo Byrns Elementary School opened in August 2006, making Jo Byrns High School a 6âÂÂ12 school.