I work and take classes at Harvard Extension (professional development). The classes are quite good and often taught by people who aren't full time professors

I work and take classes at Harvard Extension (professional development). The classes are quite good and often taught by people who aren't full time professors but work(ed) in the field. The only downside is very very few show up for class since they're often taped and can be viewed remotely, which makes for a strange dynamic. Teachers watch the class for feedback, and its difficult to teach against nothing. My genomics class had about 5-6 people actually going to the class, but about 30-40 showing up for the exams.