My freshman daughter took 16 in the fall /is taking 17 now in the spring. She did very well in the fall; ended with a 3.95 GPA. She seems to be off to a good start this semester, so I anticipate good grades again.
As for credit hours not matching hours spent in class, I can give several examples of how this could happen:
- My daughter's taking one online course this semester (it's only offered online). She spends NO time in class but must spend a couple hours each week working on the material. The benefit, of course, is that the scheduling is entirely up to her.
- This is a rather unusual situation, but when I was in college (1980s) I loved one particular professor who didn't hold classes at all. Rather, his class was self-paced. You'd read the first three chapters, take a test. If you passed, you'd move on to the second set of chapters. If you failed, you could take the test twice more (different test), and if you ever failed the "last chance test" on any particular unit, you could move no further in the class. All tests were pass-fail; if you completed 10 units, you got an A in the class; if you completed only 8 units, you got a B. (Okay, those numbers are made up, but you get the concept.) I LOVED this system and took several classes under this professor. I liked that I could "work ahead" and be finished with the class before the end of the semester, removing one class from my workload well before exams. The upshot, however, was that I spent ZERO time in class -- well, okay, I did have to go to class to take tests.
- My senior seminar class was essentially a paper. We didn't meet on a regular basis -- though you could go to class to get help from the professor. At the end of the semester, we went to turn in our papers.
Final note on this topic: I suspect the only answer you'll hear for this question is, "My kid took loads of hours and was wildly successful." Parents whose kids didn't do well won't answer this question. Since you obviously have a concern, you might do well to call the department head at your student's school (or a random college, if your student is still in high school) and ask how many hours the typical college student takes, what is recommended, and what advice that department head might give in helping your student put together a schedule.