More than £730 million has been spent on supply agencies. Supply teachers are in demand to help schools plug the gaps because of the teacher shortage. https://www.tes.com/news/school-new...-schools-spend-£733m-supply-agencies-says-nut How many supply teachers work in your school? Are you a supply teacher? Have you noticed an increase in work because of the teacher shortage? Do you prefer working as a supply teacher?