Determines whether postsecondary students with learning disabilities (LD) and/or Attention Deficit Disorder (ADD) experienced a differential increase in end-of-term grades when they used academic accommodations required by the Americans with Disabilities Act, with verbal Scholastic Aptitude Test (SAT) scores serving as a baseline predictor. Concludes students with ADD and LD plus ADD experienced a significant boost in grades after using accommodations. Notes mixed results for students with LD. (SG)