As part of its ongoing process to make AP course and exam materials more effective for teachers and their students, the College Board released to educators a redesigned AP U.S. Government and Politics Curriculum Framework (.pdf/3.1MB). The redesigned course and exam will launch in the 2018-19 school year.
Ideally, best times of day to supplement with creatine would be around 30 minutes to 1 hour before your training session and immediately post-workout alongside your protein shake.
In short, creatine can help you train heavier for more reps; it also draws water into the muscles, making you look full in appearance. The timing on the creatine is not critical. You can use it before or after your workout, or anytime throughout the day.