Are you the brightest star in your students' lives? Are you the one they're all tuned to? Are you the Alpha of your classroom? You need to be!
You can TALK yourself into being a more effective teacher. Believe these 3 things in order to be more confident each day.
The boundaries you're uncomfortable enforcing are the very same ones that they NEED because the chances are, they aren't getting them elsewhere from the other people in their lives.