--- which also reports, "... But last year, the Education Ministry also placed limits on how much tuition the schools could collect from parents."
Other interesting details there as well.
“These schools are all facing the same budget cuts that the Christian private schools are, said Amnon De Hartog, a lawyer representing one of 23 private schools — mostly Jewish religious schools — that are petitioning Israel’s Supreme Court against the recent budget cuts.”
Something to think about: The private and “christian” schools are loaded with anti-Israel propagandists. So at least part of this is about (long-term) national security.