The 74 notes the prevailing idea of private schools and the private school life as glamorous, citing media and entertainment that reinforces that idea — from movies and books like “Harry Potter” and “The Catcher in the Rye,” centered around fancy prep schools where kids wear expensive-looking uniforms and live on picture-perfect campuses. Without any adjustments, if you put a public school student next to a private school student, you’d probably find that the private school student had better grades, higher performance levels and lower aptitudes for risky behaviors, the authors found.