A teacher at an alternative Minneapolis high school collapsed in front of her students and died, Tuesday.
Lori Blomme, 40, had taught at Menlo Park Academy since 2003.
Students were taken out of the classroom and moved to they gymnasium while paramedics attended to Blomme, said the Pioneer Press.
Family and friends are baffled by Blomme's sudden death.
"Lori led a very busy life," the Star Tribune said. "The family has no immediate clue about why she died and are awaiting autopsy results."