Explain Pell Grant award?

Thought I had posted this already, but not there. So again.

@sybbie719 I appreciate your response and I do understand how the EFC and Pell Grant amounts would change under the above circumstances.

However, should DS be awarded the higher Pell Grant based on current FAFSA projections for 2016/2017, what happens in Jan when we file our taxes and those projections do not occur as anticipated. DD will not be attending college or she made too much money to be considered a dependent so reduces our household number.

DS would have already have been awarded the higher Pell Grant amount, do we just end up paying that back?