What is the difference between an AHT and AAHT, and how different are the salaries? An internal vacancy has arisen for an AAHT (behaviour, attendance & DSL) and it seems like a big workload and a role that should be AHT. There is no other person on the SLT with responsibility for behaviour currently and the role would reduce the workload of the DHT Pastoral, and the role would report to the DHT Pastoral.