This is one of the reasons why so many people leave the profession. That sort of workload is just not sustainable year in year out, even with the summer holidays to recharge batteries. Some eye opening facts here.
“Teachers are working an average of 54.4 hours a week – nearly 11 hours per day – the government’s first comprehensive survey into workload has revealed. Primary classroom teachers and middle leaders work an average of over 55 hours, with secondary school teachers working more than 53 hours a week, the government’s long-awaited Teacher Workload survey found.”