PREPPING FOR PREP EXAMS: You don’t have to hire a fancy tutor to get kids expert practice for these exams. Prep4SAT (or Prep4GMAT and Prep4GRE, for you grad school applicants) is free for students to use and designed a la the new SAT format. There’s also Khan Academy’s peek into the newly-design SAT. Or, check out the EdSurge Index and its write-ups on test prep apps.