With teenagers there is always a fair amount of posturing when it comes to sex, a tendency to exaggerate or trivialize, innocence mixed with swagger. It’s also true that the “puddle” is just one clique at Stuyvesant, and that Stuyvesant can hardly be considered a typical high school. It attracts the brightest public-school students in New York, and that may be an environment conducive to fewer sexual inhibitions. “In our school,” Elle says, “people are getting a better education, so they’re more open-minded.”