Please remember that school/yeshiva fees may be drawn from Maaseh money.
Whilst I would not comment on the personal circumstances of another person, I would say that solid chinuch is vital in a frum life. Most schools/yeshivas, if you are parepared to show them your incomings and outgoings, will make a reduction of some sort based on the person committing to the said agreement.
Don’t assume they’ll say no. If you don’t ask, you don’t get.