Forbes – Andrew B. Raupp 
STEM as an acronym has a long, complex history that can make it difficult to reach consensus on exactly what this important educational movement is all about, but there are some basic features that many can agree on. The Congressional Research Service provides a solid definition: “The term ‘STEM education’ refers to teaching and learning in the fields of science, technology, engineering, and mathematics. It typically includes educational activities across all grade levels — from preschool to post-doctorate — in both formal (e.g., classrooms) and informal (e.g., afterschool programs) settings.” This sounds straightforward enough, but over the years there has been plenty of disagreement about where STEM comes from and where it’s going.
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