Teacher Union

Guess the record was 22 years

A rubber room, also known as a reassignment center, is a facility used by the New York City Department of Education to hold teachers who are accused of misconduct while their cases are being resolved:
What happens in a rubber room
Teachers in a rubber room are not required to do anything and can remain there for months or years. They are paid while in the room

Here's a quick way to solve this problem. Defund public school districts so parents can homeschool their kids or send them to private schools.