If you can't audit in person, in a lot of cases you can audit courses online. Many university CS programs publish all their course materials on their department

If you can't audit in person, in a lot of cases you can audit courses online. Many university CS programs publish all their course materials on their department websites. Then there are the MOOCs--Massive Open Online Courses, like Coursera, edX, and Udacity. Coursera in particular has some great programming classes right now.