Classrooms are safe places to practiced forgiveness. Teachers aren't ashamed to admit their mistakes. Some lessons miss the mark. Students recognize the modeling. They ask for a second chance and they get it.
Presence requires occasional absence.
Teachers in a private school need a life outside the school to bring their best into the classroom. Desire, not obligation, is the independent school teacher's motivation for staying after school for the orchestra performance or the basketball playoffs. The benefit of this extracurricular involvement is that it strengthens the relationships between the individuals in the school community. Some families have made generational investments in their private school. It's the school that grandmother attended.