Does anyone know how to disable the LanSchool Student service? I tried to but it just reverts back to 'Automatic' start every time!

We have a system in several rooms where a machine is a Student / Teacher hybrid i.e. the machine acts as a student (Student.exe) unless logged in as a special teacher account which runs Teacher.exe.

But it seems for 7.3 a new service has been implemented meaning Student.exe always starts up!