CNN  —  Graduation day dawns sunny and warm for the first day of November, but the weather hardly matters for the joint MIT-Georgetown coding class, which takes place at the Correctional Treatment Facility, one of the two facilities that make up the DC jail complex. For twelve weeks, the students worked hard, hunched over laptops, squinting at characters and lines of code. Their work culminated in this: websites built from scratch and a certificate acknowledging their participation in college-