Rewrite sentences without changing the meaning

My school has forty classrooms and one administrative office.

• A. 
  Forty classrooms and one administrative office is the number of rooms of my school.
• B. 
  My school is very big with forty classrooms and one administrative office.
• C. 
  There are forty classrooms and one administrative office in my school.
• D. 
  Forty classrooms and one administrative office is the promising room number of my school.