Union High School is a 9-12 consolidated school of Appalachia High School and Powell Valley High School. The school began operation in August of 2011 and moved into the new facility in Big Stone Gap in January of 2014. Union serves 620-660 students annually, offering course work in art, music, business, technical, Advanced Placement, and dual enrollment classes. UHS has a staff of 43 faculty, eight administrative and guidance, four custodians, seven cafeteria staff, and a full time school nurse.
Union High School offers interscholastic sports programs through the Virginia High School League in Group 2A (http://www.vhsl.org/classification.2AWest). It is a member school of the Mountain District (www.mountaindistrictva.org), Clinch Mountain Conference 40, and Region 2A West (http://region2awest.com).