"I called to check on anotherclassmate who was still inside the building and she said the classroom was on lockdown and she said one of the classmates had been stabbed, " said Margo Shimfarr-Evans told KHOU-TV.
But cheating to get ahead at any cost (particularly at the cost of anotherclassmate if, for example, a test is graded on a curve) and collaborating with classmates for the common good are different ethical animals.