--Needed for placement into CHEM 105a/050/102. Chem Score expires after 9 months. Sign up for tests at
language.usc.edu--AP scores do not substitute for Chem or Math Plct tests
--College Math course might substitute for Math Plct test
--Not needed for CHEM 103/105b
--Information available (to request, click in next box below):
--how to study for Chem Plct test
--options and how to prepare if your score is <10 out of 25
--options and how to prepare if your score is 10-15 out of 25