My school is a New York school ranked in the mid 50's.
If you're including your class rank or grades on your resume, you might want to leave them off. Employers might assume you have higher grades if all they see is law review. Then it's up to you to wow them in the interview. Some people might disagree with this, so I'm not 100% sure if it's the right way to go. It would depend how "good" top 1/3 is at your school. But 50s in NY, I'd guess you might as well leave it off.