In any occupation where you are teaching or training in front of students, public speaking is an important tool you will use on a daily basis. Your public speaking can make or break the impact of what you teach. To be a complete and effective instructor, one must know what it takes to be an effective speaker during class. Below are a few tips to improve your public speaking for classes: Pay attention to your timing. We can sometimes talk too fast when we’re nervous, but by pausing and giving time for each lesson, the instructor gives time for an idea to sink in, and their students will remember easier.