Shibly’s Diary
Today is Wednesday. Not a rainy day. Sun shined for the first time in the week.
The school functioned as usual today.
"Usually" means that the staff and the students attended the school in the morning and left in the afternoon.
The school functioned as a matter of formality. Apart from this, nothing else was usual. Whenever teachers and students met each other, they talked about the Principal's disappearance.