We have entered and are gaining equality in many fields that were male-dominated just a few decades ago—medicine, law, business and economics to name a few—and we are now earning more college degrees than men, but we remain behind in attaining careers in some of the fastest-growing and highest-paying jobs in America.

Girls may bring natural ability and curiosity to math and science, but somewhere between Kindergarten and high school they lose their enthusiasm and leave the more advanced classes to the boys. Research suggests that even teachers may unconsciously discourage them.