Heads up, San Francisco. The SF Rec and Parks Summer Schedule is now up. You can see it here (pdf). Registration will be May 16th at 10am.
Keep in mind the Summer schedule is a little sparse, to make room for all the youth summer day camps going on throughout the system.
Adults, you may think this is all about the kids, but SF Rec has some awesome classes for grownups: ceramics, watercolor painting, woodworking, Filipino martial arts, stained glass art, pilates, prenatal yoga, night photography, golf, basketball, and tennis. So much fun, seriously, go take a look at the adult classes.
You can read more about how to get into the popular classes here.
Happy Summer!