Stay at home moms of 2

I am on my two new Leaf I get help from the state with a daycare voucher for my son's Head Start program I found out that I will not be able to get another daycare voucher since I'm on maternity leave and my sons voucher ends this friday then from there he will be taking out of the head start program becuase i have no more voucher and also there are no more a available spots without a voucher. So my 4 year old son will now be home with me and his 2month old sister, any advice on routine with the kids and also dont want him to get behind on his education any advice how thingd we can do at home??