Loans, grants and scholarships. I would only recommend part-time to be with your children. I would not recommend working - at least not the first year.
Go to law school only if you really really want to work as an attorney and get into a decent school. You have two children to support. The risk of not landing a decent position is always there.
I'm a second year associate trial attorney and started at $50,000.00, above average for my town.