First, read Cape Chef's post again; he's got some very valid points. Second, if you are able to taste a little bit, if not an entire serving, then you can certainly do this. If tasting is not an option, maybe you could have a class-mate help you regarding adjusting seasonings. After you graduate, you can look into jobs that fit your lifestyle. Those jobs are out there, as snakelady1 says.
BTW, I find it rather ironic that the negative comments from a chef instructor regarding vegetarians came in your "professionalism class". Those comments were behind the times and completely un-professional. I'm sorry you had to pay to hear them. Personally, I'd bring it up with whoever is in charge of the culinary program (after you graduate, of course). Somebody needs to bring that caveman chef up to speed.