STEM has become a common acronym, particularly among policy advocates and government officials, for the fields of Science, Technology, Engineering, and Mathematics. The term is commonly used in relation to the nation's economic competitiveness and the related need for education programs in support of future generations.

STEM (Science Technology Engineering Mathematics) learning-based activities help MESA middle and high school students understand concepts introduced in the classroom while science and engineering professionals invited to speak as role models help them understand the importance education will play in their career choice.