158.845 Definitions for KRS 158.845 to 158.849. As used in KRS 158.845 to 158.849: (1) (2) "STEM" means science, technology, engineering, and mathematics; and "Advanced science and mathematics" means Advanced Placement biology, calculus, chemistry, computer science, environmental science, and physics, and International Baccalaureate biology, chemistry, computer science, environmental systems, mathematical studies, further mathematics, and physics. Effective: July 15, 2008 History: Created 2008 Ky. Acts ch. 134, sec. 1, effective July 15, 2008.