The San Jose State University School of Library and Information Science now offers a Digital Curation Post-Master's Certificate option.
Here's an excerpt from the announcement:
Students at the School of Library and Information Science at San José State University (SJSU) can now take courses that prepare them for a career in digital curation. The school recently added a new career pathway in digital curation for its Post-Master's Certificate program students. A similar career pathway will be available starting in fall 2014 for students enrolled in the school's Master of Library and Information Science (MLIS) program.