Despite his towering presence at 6-foot-2, teammates said Chism "just kept to himself" at soccer practice every day.
"[There was] nothing really bad about him. He wasn't a mean kid, did fine," Kyle Cahill, another player on the soccer team, said. "[This] just came out of the blue. [It's] just surreal and surprising to me."
Chism was initially reported missing on Tuesday and members of the school soccer team said they quickly banded together to look for their teammate.
Cahill said they wondered if the new kid in town had simply got lost going home "because he doesn't know his way around."
"We just went out looking for him...just [to] see if he was anywhere we could try and find him," Cahill said.
Read the Inspiring Tweets of Slain Teacher Colleen Ritzer
Police said Chism was found Tuesday night in a neighboring community.
When students learned school was closed today, they worried the 14-year-old had been abducted.
Chris Weimert, another student at Danvers High School, said students knew something serious had happened when rumors of a homicide began to spread around town.
"That's when everything spiraled out of control. Twitter blew up," he said.
Chism, who is being charged as an adult, was booked into jail at 5:33 a.m. this morning, according to a copy of the booking sheet obtained by ABC News.
The teen remained silent during his first court appearance today where he was charged with murdering Colleen Ritzer, 24, who taught math at Danvers High School. He was dressed in a white jail jump suit and exhibited little emotion.
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Labour MP Thomas Docherty asks in letter to Vince Cable which civil servants knew materials could be used in nerve agents (Please RT: Why did the UK government licence exports of nerve gas precusors to #Syria in 2012?