Apple Configurator for teachers

Hi,

I'm the school district IT Administrator. I recently received 500+ New iPads. I used my laptop to configure all of the them using Configuirator. I've created each school and the iPads going to them. Now I want to do the following but don't know how.

1. I want to move my Configurator settings to the teachers computer at their respective schools.

2. I want to delete other schools on my Configurator and leave only the school setting on my Configurator.

3. What is a good MDM tool FREE for my teachers to use at their schools.

Thank you in advance.