TSTA is the largest representation of science educators in Tennessee. Established in 1975 as the Science Association of Tennessee, TSTA has continuously promoted the development and advancement of science education in Tennessee. TSTA is registered with the Internal Revenue Service as a 501(c)(3) organization and recognized by the Tennessee State Department as being eligible to receive charitable tax-deductible contributions. All Officers, Board of Directors Representatives, and Liaisons are volunteers. All membership dues or contributions go to promoting science education in Tennessee.