[Marvie]

Yes, because the internet being down prevents the teacher from acessing intranet and noticing you missing.

The school's attendance is taken by an internet program that will not run without the internet working.
I also do not do it if I'm over 15 minutes late, because by judgement of my teachers under that time they won't care to do anything about it.

Also, quote the person you're talking to. And don't get bitchy.