If you are a 'true professional', and well qualified teacher, then you are selling yourself short by working for these language schools, for that sort of salary.
Bear in mind that it is much easier to work for a school and let someone else deal with the hassle of finding clients, getting paid, etc etc. I know a couple of people who work for 40zl an hour in one school, simply because they're guaranteed x amount of hours every year and don't have any hassle whatsoever.
Until teachers begin to show these schools that they can't rip off teachers as they have been used to doing for years, then nothing will change.
That would require some sort of cooperation between teachers. Not gonna happen.
Language schools are basically parasites living off the labours of their teaching staff.
Bit harsh, especially as some schools do a fantastic job of looking after the teachers. Some don't, sure - but not all.
I challenge you to prove me wrong!
Depends if you're a socialist or capitalist, surely?
Ask your Language School principal what their personal qualifications are...TEFL and other. You will be amazed!
In all fairness, I'd rather work for someone who had a business degree than a teaching degree - business types tend to be able to make sure that the teachers are paid. I've known quite a few schools run by Poles who had English degrees - and they tended to be utterly crap.