“The events chronicled in this case are shocking, not only because they occurred, but because they occurred over and over again for seventeen years,” the opinion stated.

...Sartucci pointed out that the Maryland State Board of Education scolded the school system in 2012 after reviewing the case of a teacher terminated for misconduct. The Kemp Mill Elementary School teacher had received numerous reprimands but continued to work in the classroom, the state board's opinion stated.

“The events chronicled in this case are shocking, not only because they occurred, but because they occurred over and over again for seventeen years,” the opinion stated.

The state board urged local school officials to comb through their personnel files to identify employees with worrisome patterns of behavior...

http://www.bethesdamagazine.com/Bethesda-Beat/2017/MCPS-Sees-Decline-in-Reports-of-Suspected-Child-Abuse-Filed-By-Staff-Volunteers/