Hi William, Good job with improving the learning environment for your students. No one likes to work in a mess. By improving the classroom/lab setting you sent a message to your students that you are a professional and that you what to establish a quality learning setting for your students. Another critical component of the learning environment is the sense of community you give your students. They should feel comfortable and secure when they are in your class. They know you respect them as students and will do everything you can to help them learn. Bringing these two components together helps to maximize the learning for everyone. Gary