This is a mod that allows the type of royalty that remains with 1 Simoleon to disappear after a certain period of time. The target is the following three types.
grades at school - if you were bad student with low grades during your school life - it's more possible you will get rejected from university, at least with the first try (or always). So F and D make increase chances to get rejected. And A and B increase the chances to be accepted.
Ever wonder why the children cannot live by themselves? Even we can use the cheats like "motherlode" or "rosebud" to add money to household, the game system didn't support the children to live alone.