Tennessee Code Title 49. Education § 49-8-1502

(1) “Innovative school district” means an LEA, as defined in § 49-1-103, authorized by this part that is composed of schools serving students in any of the grades pre-kindergarten through twelve (pre-K-12), as training schools operated by a public university that is approved by the department of education to operate an innovative school district;  and

(2) “Training school” means a public school authorized under § 49-8-105 that serves students in any of the grades pre-kindergarten through twelve (pre-K-12) and that is affiliated with a public institution of higher education in this state, to pilot and model high-quality innovative educational practices and teacher training programs, to stimulate innovative educational programs, to promote robust educational research and practice, to provide opportunities for innovation in instruction, and to provide avenues for delivering innovative course programs aligned to the needs of this state through model programs.