I am a retired federal employee of Redstone Arsenal. For the past 10+ years I have worked as a substitute teacher in Madison City, Madison County and Huntsville City Schools. I primarily worked in grades K-6 but have done middle and high school. I have to say my favorite grades have been 2nd, 3rd and 4th although I have done all the others. I have a background in math and science from my college days and working for Uncle Sam for 30 years. I have found that working with children has given m.