The Christmas break lasts from just before Christmas to the first weekday after January 6 (17-21 days).
The second mid-term break is a minimum of two days to a maximum of five days duration taken in the third week of February (commonly called the Shrove break.
The Easter break consists of a week before Easter to the 2nd Monday after Easter (10 school days or 16 days inclusive).
In the last term holidays are flexible and are generally arranged around the public holidays in May and June.