We differentiate between access to the site and access to courses. Think about how Facebook works. First you need an account on Facebook. With an account you can find people and groups. To join groups, you need to enroll into them. CDX works very similar.
Joining the CDX site:
Several options are available: students can either register on the site themselves or instructors can create manual accounts or bulk upload their entire classes.
Enrolling into courses/classes:
Again, several options are available: Students could self-enroll into courses or instructors could enroll them individually or in bulk.
For more detailed help on tasks related to access, please click this link: All articles related to Access
For help with any of the above, contact us so we can help you make the decision that works best for you.