Most things are SMT these days. You can still solder SMT by hand w/o much trouble. People are just intimidated by it. It's a lot easier than it looks. There are some great video tutorials on youTube as well as at sparkfun.com and http://www.curiousinventor.com/guides/Surface_Mount_Solderin...
Sure. But unless it's a board assembly class, the students will spend an inordinate amount of time becoming proficient at soldering, removing solder bridges and replacing burned out chips.