On the morning of Oct. 17, teachers closed the doors to their classrooms at Ridley High School, turned off lights, and instructed their students to silently huddle in the corner.
They were participating in an “active-intruder drill” in case an armed trespasser ever stepped foot onto the school’s property, said Brian Forney, a math teacher at the Delaware County school and the president of the Ridley Education Association, the union representing teachers in the district.
A few hours later, […]
Elon Musk's visit to Ridley High School left some teachers concerned – The Philadelphia Inquirer
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