Depending on the size of your school and classes, you could run a session for the whole school or per year group. (uk.mathletics.com)
They used freely available resources to put together a digital citizenship tool kit for teachers and ran sessions at faculty meetings to help teachers understand that promoting good digital behavior was everyone's responsibility. (ascd.org)
We also have a dedicated training team who are available to come to your school and run sessions with key staff or even the whole school. (derventioeducation.com)