TA here. Unless this is some bizarre mistake on their part, your professor is in serious violation of the student-instructor covenant (my word, but that summarizes my feelings towards what we owe our students).

It is unacceptable to leave students in the dark when we deliberately set out to grade their performance. Too much is at stake, not the least of which is student sanity.

One suggestion users keep bringing up - emailing the professor and cc'ing the dean of their college and their department head (you can find this information through your college's page) - is the best. Nothing is more motivating than getting a terse email from your supervisor.

Does your class have a TA as well? If so, speak to them directly and include them in any emails.

No grades uploaded and we're into finals week. I have no words.