“The largest eikaiwa school has a staff turnover of 70 percent a year,” says Dennis Tesolat, vice-chair of the General Union, which represents hundreds of teachers in Japan.
“They have guys whose job is it to go to the airports just to pick up new teachers. And that’s because the teachers have a grueling schedule of eight lessons a day, with a 10-minute break between each. It’s worse than a factory.”
http://www.japantimes.co.jp/cgi-bin/getarticle.pl5?fl20040224zg.htm