Yes, the parents will be charged a heft fine if the child does not attend school. They will first be informed via mail, and may be summoned to court.
You are describing a truant and in some cases the parent and child would have to go to court.
See Link Below'Child Refusing To Visit Other Parent?'
That parent would be in violation of a court order, so yes, they would be in trouble. The adult makes the decisions, not the child. The child should be put into a car and driven home.
Not unless the parent(s) aided or abetted the action. (In the US) at 18 the 'child' is usually legally emancipated and no longer a 'ward' of their parent/guardian, with the exception of Missouri - 17 years, and Alabama & Nebraska - 19 years, and Mississippi - 21 years.
no a parent or guardian cannot get in trouble if a child decides to drop out. if he or she decides to drop out the state cant do anything about it.
This is dependent on the circumstances and the state. Not if it is voluntary, however in Missouri, if being denied access, the obligor parent can file to have child support placed on hold.
Truant
No. The child is now eighteen and he or she can make their own decision although that may cause trouble if the child still lives with the "custodial" parent.
Liable for what? Which State? In Missouri you can be ordered to pay child support to the State if your child is a ward of the state.
In Missouri, a 13-year-old child cannot legally choose which parent to live with. The court will consider the child's preference as one factor among many when deciding on custody arrangements, but the final decision will be based on the best interests of the child.
The parent. In most states, the parent is responsible for the child until the child officialy becomes an adult.
If the noncustodial parent tries to keep the child, the custodial parent can get the noncustodial parent charged with kidnapping and contempt of court both can be jail time for the noncustodial.