By not having to pay the governmen for education taxes. Also, as public schools are abolished, capitalism will take over, and prices will decrease. Remember, each child in California gets 12k a year for education.
Now you're too far the other way buddy. Had I lived in suburan Philly, I would have EASILY went to public school. In fact thinking back, I might have went to a Philly magnet school such as Masterman or Central rather then the all-male North Catholic. Great school just wished there was @ss!