Poor working conditions are also common. Like old and dilapidated school buildings with problems like leaky roofs or broken heating systems. Teachers have to work in these uncomfortable environments, which can be quite a horror. For instance, in one urban school, the teachers had to teach during winter with a broken heater, and the students and teachers were freezing all day.
One common element is lack of classroom management skills. Trainee teachers often struggle to control the students, like in the case where students keep chatting instead of listening. Another is being unprepared, for example, not knowing the subject matter well enough and making mistakes during teaching.
Rude behavior from the interviewers is also common. They could be dismissive of the teacher's experience or ideas. I know a teacher who was told her previous teaching experience in a small school was 'not good enough' in a very condescending way during an interview.
Well, unpreparedness is quite common. Either the substitute isn't fully prepared or the regular teacher didn't leave proper instructions. Also, students' preconceived notions about having a substitute can lead to problems. They might think it's a day to slack off, and when the substitute tries to enforce rules, it turns into a horror story.
One common element is lack of respect for students. Bad teachers often humiliate students in public, like the teacher who called students stupid when they made mistakes.
One common element is unruly students. Often, they see a substitute as an easy target and misbehave. Another is lack of support from the school. If the school doesn't back up the substitute's authority, it's a recipe for disaster. Also, unclear lesson plans can be a big problem. Without proper guidance, it's hard for the substitute to keep the class in order.
One common element is over - strictness. Teachers who are extremely strict and don't allow any small mistakes can be quite terrifying for students. Another is unfair treatment, like what I mentioned before, favoring some students over others in grading or discipline. Also, a bad temper. Teachers who lose their temper easily can create a very hostile learning environment.
One common element is the use of old, dilapidated buildings. They often serve as the setting for spooky events, like haunted apartments or abandoned factories.
One common element is false accusations. Just like in the previous example where a teacher was wrongly accused of being unfair on Tumblr. Another element could be privacy invasion, such as when a teacher's personal information or photos are leaked. Also, cyberbullying is a big part. Teachers getting mean and untrue comments that can really harm their mental state and professional reputation.
The most common element is probably the teacher's inappropriate behavior. This could be anything from yelling at students for no good reason to making inappropriate comments. Another common thing is the failure of the teacher to protect the students. Students look up to teachers for protection, and when a teacher fails to do so, like in cases of bullying or harassment within the school, it becomes a horror story. And also, academic pressure can be a part of it. When teachers push students too hard without considering their limits, it can lead to a very negative and scary experience for the students.
One common element is unruly students. They can disrupt the class, be disrespectful, or engage in cheating, which creates a lot of stress for the teacher.