They are not offered more than the yearly schedule, and sometimes are offered less, due to low demand. I recommend anyone who might go for a Ph.D. to seriously consider the Thesis route. Those that want to work on a major curriculum or research project might try that option. The vast majority, however, take all electives. Look in the secondary ed.
Independent studies are an option, if all the arrangements can be made.
Also, look at the driver ed courses offered in the summer. Advisement Graduate study takes place mostly in the summer, while I am out of town. Try to call me with your needs during the spring semester. Advisement can usually be done over the phone, as it is so easy at this level. Of course, if there are problems, lets get on to them right away.