“NOTE: A greater percentage of Chareidi/Frum tax money goes to support the secular school system than the percentage of non-Chareidi/Frum tax money that is going to support the Chareidi/Frum schools, since all of the secular schools are completely public, wheareas the majority of Chareidi schools are private.”
The charaidim still take a lot of gov’t money. If you see the P+L of a school, you will soon realize how they need gov’t money and how much they take.
A few years ago, there was a movement to separate Ramot Beit Shemesh into two different cites, one Charaidi and one for everyone else. The Charaidi mayor told the Charaidim not to do so because they would not have enough money if they just relied on their own.