Los Angeles - A popular California school teacher hanged herself in her classroom on Monday and was found by students arriving for their morning lessons, police said.
Jillian Jacobson, aged 31, was pronounced dead at the scene at El Dorado High School in Placentia, some 50km southeast of Los Angeles, said a spokesperson.
Students and another teacher got her down to the floor before calling 911, said Placentia police spokesperson Eric Point.
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"It's still an ongoing investigation but everything points to suicide... There's no indication of foul play," he said.
"From what I gather, she was very popular, well liked by the students and faculty," he said. "It was definitely a shock to everybody."
No note was found at the scene, but investigators were continuing to search for clues as to why she would have taken her life, said Point.