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.
The last cause of green water in pool water is metals, usually copper, that have oxidized. Metals can be introduced through source water, from some cheap algaecides, or, if the water is acidic, from the metal components of the pool, most commonly from copper heater elements.
(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.