"It's a period of flexing their muscles and they will look back and say, 'Oh, God, what was I thinking?' They have the permission I didn't have in my generation to act out, get drunk at frat parties and hook up with somebody."
As long as students are protected against disease and pregnancy, said Schwartz, "they can do these things without impact."
"And I hear," she said, "it's a lot less salacious than it sounds."
ABC News on Campus reporter Adam Yosim contributed to this report.