USC Schedule of Classes

Spring 2023

General Chemistry

Section 17256

  • Note: Register for 1 lecture, quiz and one lab. Five lab sections (17300, 17302, 17318, 17320, 17322) are reserved for the 10am Discovery 105b Lecture section. Email Dr. Parr ( if you are interested in the 10am lecture. If you are enrolling in the 9am/11am lectures, enroll in an open section ending in the letter "R". To be added to the lab waitlist, email Dr. Skibo ( with the course (105a or 105b), your USC ID number and all the lab times (not section numbers) that fit in your schedule. The more flexible you are, the more likely you will get a spot in lab sooner.
  • Session Dates (session code 001)
    First day of classes:
    Monday, January 9, 2023
    Last day to add:
    Friday, January 27, 2023
    Last day to change to Pass/No Pass:
    Friday, January 27, 2023
    Last day to drop without a mark of "W" and receive a refund:
    Friday, January 27, 2023
    Last day to withdraw without a “W” on transcript or change pass/no pass to letter grade:
    Friday, February 24, 2023
    Last day to drop with a mark of "W":
    Friday, April 7, 2023
    Last day of classes:
    Friday, April 28, 2023
    End of session:
    Wednesday, May 10, 2023
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