Yes that is the proper age
No
yes
A 9 year old child can ride in the front seat of a car. It is important that they are buckled in and can sit still.
no they have to be 13 and older
That is determined by the size, and build of a person, but yes they can legally sit in the front.
I think that you should be in sixth grade when you get to sit in the front seat.
No they can't. They can be killed.
Yes
With a car seat to boost them up, Yes.
A six year old can be placed in the front seat but they must use a booster seat if they are under 135cm tall. Under no circumstances should a rear facing booster seat be used in the front seat.
you have to be 12+ to sit in Canada
Children between 10 to 13 years old can sit in the front seat.