Most "How to find Class ID" guides fail to mention the most common error:
If you are a student looking for this number, you usually fall into one of two categories, and the ease of finding the ID varies significantly between them:
The process of finding a Class ID is functional but rigid. It teaches students the importance of reading the syllabus, but it lacks modern user-friendliness.
If you’ve entered the ID correctly and joined the class but don't see it, try refreshing your "Student Homepage" or checking the "Expired Classes" tab if the semester has recently ended.