I would doubt, then, that college credit would be offered for such a course unless the course is specifically for the purpose of providing college credit. On the other hand, all of the courses at my school had very short names like "Pre-Algrebra" or "AP Calculus." You may want to ask your high school counselor about opportunities for high school students to get college credit. For example, in my high school over a decade ago, I was able to take some summer classes at the local community college. This was referred to as dual enrollment.
That's a standard curriculum course for Ontario high schools and, yes, it's a good intorduction to psychology. You won't get the credits in university that Daniel refers to - I don't believe that exists in Canada.
Other courses that would be useful to take in high school: