North Carolina State – not the prettiest, but probably the most comprehensive site out there. If what you need is not here, it will certainly lead you in the right direction.
IUPUI – Indiana University Purdue University – Indianapolis
Brigham Young University -- this site has been described as ‘award-winning’
ETS – Major Field Test. Have you considered this as a capstone?
California State University, Fresno – Rubric Library
AAC & U VALUE Rubrics
More on rubrics – this site helps you set to create your own. Stylus (publisher) has a book on rubrics.
More on rubrics….and lots more!
Association for the Assessment of Learning in Higher Education
Council for Higher Education Accreditation
National Institute for Learning Outcomes Assessment
IPEDS – College Navigator. This source was designed to help prospective students locate the best college for themselves. But you can get great benchmarking information here.
The Collegiate Learning Assessment (CLA)
ALSO: Visit the sites of your own professional organizations. They will likely guide you to tools of particular relevance for your discipline.