I'm working on a screenplay need help

• One of the characters is suppose to have distant parents, what's the best way to portray this without feeling forced?

• I have three separate storylines; a teacher-student affair, cheerleaders hazing a new recruit, and a closeted suicidal teenager. Other than the fact that they all occur at the same high school, I'm having a hard time tying the storylines together. I originally considered making the student in the affair and the hazed cheerleader sisters, and have the suicidal teenager be a friend of theirs, but it sounded too contrived. What's the best way to make the three story lines flow in a single narrative?

One framing device is an adult the three teens go to for help / advice—counselor, principal, teacher, coach, janitor, etc. Showing the distant parents could happen when this staffer tries to involve them in the case.

it would also help during the character getting advice to add in a series of brief yet concise flash-backs to earlier in the character's life that shows, in some way, how the parents are distant.