Pull a list of active students within a date range?

I'm trying to see how many unduplicated students we have during a specific timeframe for grant report purposes.

Currently, the only way I know how to get this number is to pull the student entry/exit summary, and then do a ton of work in excel to make sure i have the correct group of students.

Is there an easier way to do this? Or does anyone have any tips on how they've streamlined this process?

Thanks!