Do you and your partner have the same level of education or do you have more schooling or does she (or he) have more schooling?
Do/did you and she both have the same level of education or do you have more schooling or does she have more schooling?
Do/did you and she both earn the same amount of money or does/did she earn more money or you earn more money?
Do you and she (or he) both earn the same amount of money or does she (or he) have more money or you have more money?