Evan Schwartz, a sophomore, urges students to contribute thoughtful reviews to RateMyProfessors.com.

“For a site like ratemyprofessor to truly work, more contributions and more opinions will create a better collective product. Comment on all of your professors, regardless of your grade in the class. And if you didn’t do too well, reflect on whose fault that is; yours or the professor’s? Resist the urge to comment on your professor’s stupid haircut or lame jokes. Focus instead on constructive criticism: his haircut may be stupid, but at least he can teach statistics.”

Read the full column here.