“…In general, research has suggested that having completed a high school diploma, or an equivalent, significantly enhances the likelihood that a participant will successfully complete treatment (Brown, 2010;Butzin et al, 2002;Harding et al, 2009;Hartley & Phillips, 2001;Schiff & Terry, 1997;Sechrest & Shicor, 2001). Olfson et al (2009) into the program or if they obtain employment over the course of treatment (Berghofer et al, 2002;Brown, 2010;Butzin et al, 2002;McKean & Warren-Gordon, 2011). In their study of the predictors of drug court completion, Roll, Prendergast, Richardson, Burdon, and Ramirez (2005) reported employment at the time of participation to be the strongest predictor of successful program completion.…”