By Tom Weber, Minnesota Public Radio News

The seniors in Ethan Cherin’s first-hour history class at St. Paul Central High were in second grade the morning of the Sept. 11, 2001, terrorist attacks.

On that morning a decade ago, they were spread out across different classrooms. But today, their memories have the quality of a shared experience.

“I remember coming in from recess,” said Frank Thompson, 18. “You could tell something was wrong the way everybody was looking at the television.”

His 17-year-old classmate, Chloe Booth, recalls almost brushing the day’s events off — until her mother arrived home.

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