Can you please write a letter to parents explaining that i was a long term sub because the teacher is on maternity leave and not be returning this year therefore I didnt anticipate to be here at this although I am happy that I was given the opportunity to stay with your kids who I adore and therewill be out of the classroom due to a prepaid vacation before I received the position as a long term substitute and that there will be the same substitute teacher the whole duration who knows the students