He or she may not fit in. Or the school may have a lot of wealthy students. Your student may not be comfortable with the way the students dress and the cars they drive. If Dad just has an old pickup, they may not feel comfortable. Ultimately, however, parents' most important role may be helping students to deal with their own likes and dislikes, hopes and dreams.
Parents are a reality factor.
They live with these students. They know them. That is their most important role.