"The Trending 20" is a regular series where we round up interesting, informative and hilarious tweets from worldwide Twitter trending topics, fueled by young tweeters on the interwebs. Have a tweet to submit? Give us a shout @HuffPostTeen.
Today, teens and adults across the Twitterverse reflected on some of their fondest (and most hilarious) moments from high school, propelling #HighSchoolMemories to trend in the U.S. Check out a few of our favorite responses in the slideshow below and then tell us: What has been your all-time favorite moment of high school so far? Sound off in the comments or tweet @HuffPostTeen!