<human>: Give me a shortened version of the text

This might seem tame in comparison to your story, but a couple of days ago, a teacher was telling my class about this kid, we'll call him Derp that used to go to my school. This was a few years back, but what had happened was, there was a conflict between him and another student, we'll call him Herp of our school. Now Derp challenged Herp to a fight, and Herp cleaned the floor with him. A few days later Derp demanded a rematch on our school field. He chose the school field because that way his "friends" (who were actual members of some Asian gang) could get into the school to beat the crap out of Herp. Regardless, Herp and his friends still managed to overpower Derp and his gang, mainly because Herp was affluent in our school's sporting ventures. Needless to say, Derp was expelled for his ties to a gang, which didn't seem to bother him much. Then, apparently, a week later, he crashed someone's party, causing a ruckus, and was stabbed in the chest with a kitchen knife.
<bot>: Some kid at my school started a fight with gang member, got expelled, and was stabbed in the chest the week after.