Of course, every good student would do the work prior to taking the exam. Every quiz prior to the unit exam will help to prepare you to take the unit exam. Every homework assignment will help to prepare you to take the exam. ALL work in the unit should be completed prior to taking the exam.
If you are an A-G student, use the SUMMER PORTAL to check that you have completed everything in the unit BEFORE you come to class to take the unit exam. If you are a Health or Non A-G student, check the portal to be sure you have completed everything in the unit before you take your test at home.
For A-G students that want to work ahead, you will be able complete the work in one unit then skip the exam and complete the work in the next unit and so on. Just be sure you complete everything in each unit. You can use open seating time to take exams ahead of your scheduled testing time slot.