"Exchange student" -> "Gas the next dunce!" (by David Bourke using Anagram Genius) (2003)
"Exchange student" -> "Hung -- decent at sex." (by Rick Rothstein using Anagram Genius) (2001)
"Exchange student" -> "Nudge...then sex act." (by Rick Rothstein using Anagram Genius) (2001)
"College Students Are 'Selling Themselves' To Pay Tuition" -> "Astute, gentle disciples to the ugly, malevolent seniors." (by Aronas Pinchas ) (2016) (pending approval)