'Many part-time teachers find themselves caught in an annual cycle whereby their employers insist that they must be available full-time to meet the demands of a short-notice timetable' https://schoolsweek.co.uk/its-time-to-make-part-time-possible/
It’s time to make part-time possible
Part-time staff face huge challenges, including often having to maintain full-time availability
schoolsweek.co.uk