The fine for not stopping for a school bus with the stop sign out can vary from state to state.
In Kansas you can get a fine of $400.00 for not stopping for a school bus with it's stop sign out.
In some states if it's your first offense the fine for not stopping for a school bus with the stop sign out is between $150.00 to $250.00
If it's your second offense the fine can be as much as $500.00 to $1,000.00
Not stopping for a school bus with the stop sign out is a serious thing because kids are crossing the street and could be killed or injured if you were to not stop for the school bus.
Kids should also look when crossing the street but you should also stop for the school bus.