Ace jumped at the sound of the block being slammed on his desk and looked up at the professor. "I wasn't paying any attention cause I stink at math!" He shouted back. Shouting was just how he talked.

Arin listened as the professor gave them easy math. Was this kindergarten or high school? However, he refrained from saying anything since his girlfriend did most of the talking. 
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(In the history room)
Ethan still had his feet on the desk and the teacher wasn't even saying anything about it. His eyes were still on the front of the class, but his mind was somewhere else. He was thinking about how humans wrecked his life a long a time ago.

Price was thinking about his one dream, but at least acted like he was interested.