First, we acknowledge your role and the first and best of teachers. Please know that we are here to help support you in that role. It's not an easy job! But so important.
First, here are some resources that better help you to understand the sacrament yourself.
Why go to confession? Here are links to a few videos that will help YOU.
Fr. Mike Schmitz: Why Confess to a PriestScott Hahn: The Healing Power of ConfessionHere's the script of an interview with Scott Hahn about reconciliation.
Trent Horn on Catholic Answers: A protestant minister argues against Confession