Cahokia Sr. High School Lock Down Day 3 (09-28-2022) Reported by: Flex 618 of Cahokia Source, in Cahokia Heights, IL Cahokia Sr. High School 800 Range Ln, Cahokia, IL 62206 (618) 332-3730 Parents are angry, because they can’t pick their kids up, from school during the lock down. This is the third day consecutively, that…