GMAT Critical Reasoning (CR) | Re: Social worker: Despite the existence of a public school system that

Social worker: Despite the existence of a public school system that does not demand fees of any kind, children drop out of school at an early age due to various difficulties at home.
School principal: Difficulties at home are not exactly the cause behind the children leaving school. The problem is that many parents simply allow their children to choose whether to go to school or stay home, and that in such cases children will obviously choose not to go to school.

Which of the following, if true,