Elementary school teachers serve a critical role in society, as they help shape the minds of America’s kids. That presents a problem, however, when the educators who are trying to mold the country’s youth don’t have their own lives in order. Whether it’s Ms. Snap hooking up with the school’s janitor or Ms. Bennigan flirting with the resident “hot dad,” the ladies teaching the youngsters on this comedy series are far from being the role models that parents would like teachers to be. “Teachers” is written by and stars the Katydids, a troupe of six performers who all have a name that is a version of Katie.