@hotelie17, Sorry for any confusion - students applying for Fall 2017 refers to students applying now in order to start their freshman year in 2017.
So, to put it in another way - in this cycle, we will take your highest composite ACT score. For the most up to date information on the admissions process, please refer to our website - oafa.pitt.edu.
This page in particular may be helpful: https://oafa.pitt.edu/apply/admissions-process/freshmen/
Best,
A Pitt Admissions Staffer