The following links will provide you with a wealth of resources and information appropriate to assessment in higher education, and specifically, to assessment's application in Student Affairs.
Assessment Instruments
University Learning Outcomes Assessment (UniLOA) - a nationally normed instrument measuring student growth, learning and development along the seven domains of Critical Thinking, Self-Awareness, Communication, Diversity, Citizenship, Membership/Leadership, and Relationships.
The National Survey of Student Engagement (NSSE) is designed to obtain, on an annual basis, information from scores of colleges and universities nationwide about student participation and activities that institutions provide for their learning and personal development.
Assessment Resources
North Carolina State University's Internet Resources for Higher Education Outcomes Assessment
The Higher Learning Commission of the North Central Association accrediting agency
The Council for the Advancement of Standards in Higher Education (CAS) was founded to implement several profession-wide initiatives, with emphasis on the development and promulgation of professional standards.
National Association of Student Personnel Administrators Assessment, Evaluation, and Research Knowledge Community

College Student Educators International Commission for Assessment and Evaluation
Assessment Websites
Academic Affairs Assessment and Accreditation Website
Indiana State University's 2010 North Central Association's Reaccreditation Website
An argument for the integrated use of all of higher education's resources
in the education and preparation of the whole student.