Quotes from that article "According to research from the University of California, Los Angeles, as many as 60 percent of all college students who intend to study a STEM (science, technology, engineering, math) subject end up transferring out. In an era when politicians and educators are beside themselves with worry over American students’ lagging math and science scores compared to the whiz kids of Shanghai and Japan, this attrition trend so troubles experts it has spawned an entire field of research on “STEM drop-out,” citing reasons from gender and race to GPAs and peer relationships."
A Skill for the 21st Century: Problem Solving by Richard Rusczyk, founder of "Art of Problem Solving".
Top 10 Skills We Wish Were Taught at School, But Usually Aren't
from Lifehacker