Answer:
The following people work in office environment within schools
School Secretary
Librarian
Teacher
Step-by-step explanation:
School secretary keeps the records of the students and he is responsible for principal work orders. Secretary always have an office within the school premises. Similarly teachers are also part of school and they are always there during working hours. Librarian is the in-charge of school library so he can also be considered as a part of the school official staff.