What’s the difference between
“Wages, salaries, commissions, and tips”
and
“Parent 1’s income from work”
“Parent 2’s income from work”
?
Help would be greatly appreciated 
Wages, salaries etc…is usually the total income listed on the tax form.
Then the schools want to see the breakdown …parent one income…and Parent two income. There are other kids of income included in that total income…so the separate income your parents earn might not total the exact amount of that wages, salary etc line.