Prerequisites, corequisites and advisories are intended to guide students into courses in which they will have the greatest chance for academic success.

  • "Prerequisite" means a course that a student must complete (or any other condition that a student is required to meet) in order to demonstrate current readiness for another course or educational program.
  • "Corequisite" means a course that a student is required to simultaneously take in order to enroll in another course or educational program.
  • "Advisory" or recommended preparation means a course that a student is advised, but not required, to take (or other condition that a student is advised to meet) before or in conjunction with enrollment in another course or program.

Clearing Or Challenging Prerequisites

You may not need to take a prerequisite or corequisite class if you can satisfy certain criteria for "clearing" a prerequisite. Visit deanza.edu/admissions/evaluations/prerequisites to learn more.

As a separate process, students may be able to challenge a prerequisite or corequisite if they can demonstrate that

  • They have the knowledge or ability to succeed in the course without the prerequisite or corequisite
  • The prerequisite or corequisite has been established in an arbitrary manner
  • The prerequisite is discriminatory or is applied in a discriminatory manner
  • The prerequisite course is not reasonably available

Students who wish to challenge a prerequisite or corequisite should contact the Evaluations Unit at evaluations@deanza.edu for instructions on how to proceed.

Policy Documents

The information above is intended to provide a useful summary. Final authority is determined by the Board of Trustees and district policy documents, including 

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