In reply to BrandonBallentyne: SPA isn't just a climbing qualification, it's a group supervision qualification. The assessor is signng you off not only as fit to rig the ropework, but also to keep control of a mob of teenagers whilst you do so. And, being perfectly honest, if you've never worked with kids before, you won't have a chance of doing so. I'd been a secondary teacher for 7 years when I did my consolidation period and I learned plenty about managing groups during it.
Ask yourself what you would do with a group of kids whilst you went and put together a hitching rail for top-ropes, or rigged a releasable ab? And how would you run those three top-ropes with, say, 11-yr-old kids? How would you get them safely up to the abseil? There's a lot of management skill in this that has nothing to do with being a climber.
This is why it's a requirement. If you dn't turn up with 20 sessions (which, I believe, equates to ten whole days as a session is counted as a half-day, isn't it?) of group work then I'm fairly sure you'll, rightly, be deferred. It's a pain in the arse to do this and you'll spend a fair bit of time volunteering for free, but yes, everyone with the award had to do it. Some of it can be done teaching mates for free, as long as they recognise that you aren't yet qualified, but really some needs to be shadowing already-qualified instructors - how else will you get to know what they do and how they do it?
Sorry if this isn't what you wanted to hear - but I can't quite believe you're asking this in mid-October with a November assessment booked! Advertise on here for opportunities. Contact outdoor ed centres and offer your help (and these might not be local - you may well have to travel about to get all this in before November). You've just missed the uni clubs freshers' meets season, which was a golden opportunity for you to get big group sessions in.