Some people like to argue that charter schools are public schools.
Diane Ravitch disagrees. She writes:
When [charter schools] have been taken to federal court for violating employee’s rights, they insist that they are private corporations acting as contractors and not subject to state laws.
To learn more about why the charter and reform movement is actually the privatization movement, consider reading Ravitch's new book Reign of Error.
For more on how charter schools are a gravy train with biscuit wheels to fat city, read this post from Forbes.