Dr. Lefler has a BA in psychology from the University of Nebraska-Lincoln and an MS in clinical psychology from Oklahoma State University. Dr. Lefler earned her PhD in clinical psychology from Oklahoma State University in 2009 after completing a predoctoral internship at the Kennedy Krieger Institute/Johns Hopkins School of Medicine in Baltimore, MD. She went on to complete a postdoctoral fellowship in The Center for Management of ADHD at The Children’s Hospital of Philadelphia.