I'm not sure as I don't know the specific teacher's story. It could be the teacher himself/herself and his/her students. Maybe there are also colleagues or family members involved if the story is about the teacher's life both in and out of school.
Since we don't have details of the teacher's story, it could be the teacher along with other educators or community members. If the story is about a school project that involved the whole community, then those people would be the main characters in the story.
In the teacher's diary story, the teacher is the central figure. But students will also be main characters in a sense. Their actions, progress, and problems are likely to be a major focus. There could also be other educators or support staff that might make appearances if they are relevant to the teacher's experiences. For instance, a teaching assistant might be mentioned if they work closely with the teacher in a particular project or activity.
As we don't have the full 'teacher's pets story', it's a bit of a guess. The teacher would definitely be a main character. The students who are favored by the teacher, the 'teacher's pets', are also likely to be main characters. There might be a student who stands up against the teacher's favoritism, or a group of students who are jealous of the 'pets'. These could also be important characters in the story. It all depends on how the story is written and what the focus is on.
The main characters are probably the teacher, who has a favorite student, and that student who is the 'teacher's pet'. There might also be other students in the class who play important roles in the story, like those who are jealous of the teacher's pet or those who are friends with the teacher's pet and are affected by the situation in different ways.
In 'teacher's pets journeys story', the main characters, the teacher's pets, could be a diverse group. There might be the shy but extremely talented student who blossoms during the journey. Then there could be the outgoing student who leads the group in their adventures. And perhaps there is also the studious one who uses their knowledge to solve problems during the journey. All of these types of students, as the teacher's pets, would be central to the story.
I don't know the exact details of 'a teacher's reward short story', but I can guess the main characters. The teacher is the central figure, no doubt. Then there could be a special student or a group of students. Maybe there's a student who has a particular problem or talent, and the teacher's efforts towards that student lead to the reward. There could also be parents in the story. They might notice the positive impact the teacher has on their children and play a role in the teacher getting the reward, like nominating the teacher for an award.
The main character is surely the teacher in Toledo in 2019. But depending on the nature of the story, there could be other important characters. For instance, if the story is about a teaching project, there might be other teachers who collaborated with the main teacher. Or if it's about a community - based educational effort, there could be community leaders or parents who play significant roles in the story.
Well, since it's called 'the red teacher story', the red teacher is likely the central character. There could be other characters like colleagues of the teacher. Maybe there are some students who are particularly influenced by the red teacher. For instance, there could be a student who is initially shy but gets inspired by the red teacher's unique teaching methods and becomes more confident. There might also be parents or other members of the school community involved in the story.
Without more details about the 'kissing teacher story', it's impossible to say who the main characters are. It could be the teacher and a student, or two teachers, or the teacher and someone from outside the school.
I don't know as we have no details about this story. But it's likely that the main character is the English teacher. There might also be students, colleagues, or the school principal as other possible main characters depending on what the story is about.
Since I don't know the exact story, the main character is likely the shrunken teacher. There might also be students who play important roles as they interact with the shrunken teacher in unexpected ways.