Sewanee's plagiarism policy is found within the Honor System and in particular, the Honor Code of the University of the South. Here are the aspects relevant to academic integrity:
"The Honor Code
Source: Sewanee: The University of the South Honor Code, http://www.sewanee.edu/academics/about/the-honor-code/
Self-plagiarism is possible and it's just as serious.
Self-plagiarism, or "double-dipping," is deception and goes against the core principles of ethical writing. Papers are assigned for you to demonstrate what you have learned in a particular class. If you reuse a paper you wrote for a previous class, you are not demonstrating new learning.
Examples of self-plagiarism:
According to the Rules of Conduct for Hearings Before the Honor Council, Appeals, and Penalties, the following can result from academic dishonesty:
"13. If a violation of the Honor Code involves academic dishonesty, a student ordinarily must spend two academic semesters away from the College of Arts and Sciences. But because of the individual nature of Honor Council cases, the Honor Council, in its discretion, may reduce the requirement to one semester with a vote of two thirds or greater. Such a decision may be considered on, among other things, the following criteria, if discernible in the case: the flagrancy of the violation, the student’s year in the College, and the student’s truthful cooperation throughout the process."
Source: Sewanee: The University of the South Honor Code http://www.sewanee.edu/academics/about/the-honor-code/rules-of-conduct-for-hearings/