Yes. All college courses, even "100" (intro/freshman) level, have some expectations about what the students already know. Students who don't have that backgroun

Yes. All college courses, even "100" (intro/freshman) level, have some expectations about what the students already know. Students who don't have that background should take remedial courses or go to junior college or just be prepared to do a lot more outside work on their own. It should not be a university's job to "fix" unprepared students, whether due to the student's prior indifference to his education, or because that eduction was provided poorly.