Joel Koonce News Today

dramatic video of an angry passenger appearing to attack a crew member. >> at that time, he was like, why are you smiling at me? thats when we realized this was probably not going to be good. ♪ ♪ >> television script writers walk off the job, putting hundreds of shows in jeopardy of being shut down. what the walkout could mean for viewers. ♪ ♪ >> youve got this culture that just allows it to happen, and it happened again and again. >> teachers sexually abusing their students in...

U.S. Department of Education's Office for Civil Rights found the district violated the federal Title IX law in its handling of abuse complaints.

U.S. Department of Education's Office for Civil Rights found the district violated the federal Title IX law in its handling of abuse complaints.

U.S. Department of Education's Office for Civil Rights found the district violated the federal Title IX law in its handling of abuse complaints.

U.S. Department of Education's Office for Civil Rights found the district violated the federal Title IX law in its handling of abuse complaints.

U.S. Department of Education's Office for Civil Rights found Redlands Unified violated the federal Title IX law in its handling of abuse complaints.

High school, more than 5 million students have experienced sexual misconduct, ranging from harassment to assault. cbss meg oliver explains how the abuse is often overlooked.% >> reporter: when some schools hear allegations of teacher sexual abuse, they often try to make them go away quietly, without any record. >> called patching the trash. >> reporter: "passing the trash." and when they move on, would they write them recommendation letters? >> yeah, they would give them recommendations, they wo...

He told students it was because he had sex with a girl who was under age but his record was clean. within a year, a school employee called the police, reporting koonce for suspicions of sexual abuse at redlands high. the school quietly put him on leave and let his contract expired. >> he told us to come to his house, and he gave us a lot of alcohol. he just started kissing us and one thing led to another, we started having sex. >> reporter: this was 2018. joel koonce was arrested. and after he w...

Watch the CBS Reports documentary "Pledge of Silence" in the video player above or on the CBS News stream Friday, April 14 at 9 p.m. ET.

Systemwide oversight failures at the local, state and federal levels have enabled sexual abuse of children in American schools to persist with virtually no monitoring of such incidents.