Well, looking at things, let's verify that we are looking at the same version: Help About shows :
HERO Designer 6
If the versions match, check under 'current character / change current template / Hero System 5th Edition Rules / Superheroic'. Make sure that super heroic has a little pip by it.
If that's good, perhaps a template isn't selected. Go to preferences / template, and check all but 'sidekick'. That will mirror my configuration, which does show the instructor skill.