Retaking Courses:https://catalog.purdue.edu/content.php?catoid=16&navoid=19719#j-scholastic-indexes-
2. The cumulative GPA for an undergraduate
student is a weighted average of all grades received as an undergraduate student.
With the guidance of his/her academic advisor, a student
may enroll in a non-repeatable course up to three times. In such cases,
the same course* is to be used, the same grade mode and
only the most recent grade received shall be included in the cumulative GPA.
In the case of a course in which a conditional grade has been improved by examination,
the most recent grade received shall be used.
* An equivalent course may be used when authorized by the faculty member in
charge of said course. Transfer credits from other colleges and universities
may be used to fulfill degree requirements, but cannot be used to remove Purdue
recorded grades from GPA calculations.
Undergraduate 4th enrollment procedure for CoS ( https://www.purdue.edu/science/Current_Students/advising/handbook/Course-Repeat-Policy.html )
Request for a 4th Enrollment for Janice's students:
Under the University Three Attempt Policy, effective Fall 2013, students must request a 4th enrollment in a course. If approved by the Associate Dean of the student's college, the student will be allowed to take the course one final time. The College of Science does not consider 5th attempts unless there are serious extenuating circumstances.
Process:
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Graduate Student General Academic Requirements and Grade Appeals (https://catalog.purdue.edu/content.php?catoid=16&navoid=19719#j-scholastic-indexes-)
5. The cumulative GPA for a graduate student is a weighted average of all grades received by the student in graduate-level courses (those numbered 500 or higher) since entering a graduate program, plus all grades received in undergraduate-level courses, taken while in the graduate program as part of the graduate plan of study. With the consent of his/her major professor, a student may repeat a course not intended for repeated registrations up to three attempts. In the case of such a repeated course, the same course* is to be used, the same grade mode and only the most recent grade received shall be included in the graduation GPA. Grades received in foreign language courses to establish reading knowledge as specified by the Graduate Council are not used in computing graduation indexes.