This document discusses STEM education and its meaning and practice in K-12 schools. It defines STEM as an acronym for science, technology, engineering, and mathematics. It explains that STEM practice in schools is varied but generally aims to improve math and science outcomes and prepare students for STEM careers and higher education. The document discusses different perspectives on STEM from the academic community, career and technical education community, and arts community. It also provides examples of STEM practices and programs from schools in different areas.