For today's generation of teenagers, high school's almost out for Summer. And for seniors graduating this month and the next, this is a big time of transition as they enter the collegiate world and beyond. We've long said our goodbyes to our high school days, but during this graduation season we can't help but reminisce about our past. So if you graduated from high school any year from 1990 to 2005, we've got a blast from the past for you! Here are some of the hottest pop-culture moments by year that will take you back to the days of backpacks, lockers, and homework!