It's wrong to miss class.
Jane is between classes and discovers that she's got three missed calls on her cell phone.
Jane wants to check her missed calls.
Jane asks the teacher if she could have a few minutes to make an important phone call before class.
Jane leaves the classroom building to call people back instead of going to class.
Jane is permitted to come into class late and her teacher lets her know what she missed.
Jane misses important review information being passed out and isn't able to prepare for a test.