Maryland Physics was ranked 14th by U.S. News and World Report's 2015 Best Graduate Schools -- with four specialties in the top 10. Our rankings included:

The plasma specialty ranked 3rd
The atomic/molecular/optical specialty ranked 6th
The quantum specialty ranked 8th
The condensed matter specialty ranked 10th
The cosmology/gravity/relativity specialty ranked 13th

 
The College of Computer, Mathematical and Natural Sciences' full Best Graduate School rankings are available here.