The BLS does not have a separate category for assistant principals. According to Salary.com, as of March 2015, assistant principals in the 25th-75th percentile earned $69,591-$93,291 per year, with a median of $79,831.n order to become an assistant principal, your surest path is to accumulate teaching experience and then earn a master's degree in education leadership or education administration.
There are three causes of green pool water. The first is a lack of chlorine. Without chlorine the pool water will quickly start to grow algae and turn green. Water without chlorine, especially if it has an algae bloom, is unsafe to swim in, and can be a breeding ground for mosquitoes and other insects. The second thing that causes pool water to look green (or yellow) is pollen.
(Photo credit: Stocksy/Jovana Rikalo) Chlorine is commonly assumed to be the culprit behind Kermit-colored hair. But the truth is, another compound designed to keep the pool clean may actually be whatâs turning your hair green. Copper sulfate is often added to swimming pools to combat algae, according to the authors of a 2014 case study about a 15-year-old girl whose blonde hair was turning progressively green. âCopper compounds in the water bind to the protein on the surface of the hair shaft and deposit their color,â the researchers explain.