This Tip Sheet provides a case study on best core teaching practices from Mile High Youth Corps YouthBuild. This document covers challenges that arise in YouthBuild classrooms, tips for teachers on what sort of environment should be set up and some links to helpful resources for teaching. The DOL Tip Sheets are a collection of best practices shared by YouthBuild USA staff and consultants which have been found to be effective and ultimately help lead to better program performance and outcomes.