It seems all those holidays are cancelled out with so much unpaid work.
Teachers do more unpaid overtime than any other workers.
According to new research from the UK, teachers work more than one day every week for no extra money.
The Trades Union Congress (TUC), which carried out the study, found teachers work an average of 12.1 hours unpaid each week.
Primary school teachers do the most unpaid overtime at 13 hours, followed by secondary teachers at 12.8 hours.
Pre-school teachers put in 6.4 hours every week.