“…Teacher quantity and quality play key roles in improving STEM education, yet many schools and educational authorities encounter difficulties in recruiting certified STEM teachers (Hutchison, 2012). According to national data from the Schools and Staffing Survey (2012), only 38% of mathematics teachers (N=144,800), 27% of science teachers (N=126,300), 35% of biology teachers (N=51,900), 62% of physical science teachers (N=64,600), 66% of chemistry teachers (N=12,400), 68% of earth sciences teachers (N=12,400), and 63% of physics teachers (N=13,300) have no major or minor in their main assignment or certification (Marder, Brown, & Plisch, 2017).…”