Dealing with debt: What do kids think about money?
Teachers at Kirton Primary in Boston have introduced a school bank and currency to educate children on how to manage money.
They hope it will make pupils more responsible with cash when they’re older.
We put some of the schoolchildren to the test, to see if they can teach adults a thing or two.
You can watch BBC Inside Out's debt special on BBC One at 19:30 GMT on Monday and on iPlayer.