Arian Ash

Set entirely within and around the confines of a New York City phone booth, this film follows Stu Shepard (Farrell), a low-rent media consultant who is trapped after being told by a caller - a serial killer with a sniper rifle - that he'll be shot dead if he hangs up. (20th Century Fox)

The mother of the family for which Michelle baby-sits dies unexpectedly. Michelle is asked to take over looking after the children and is gradually "seduced" by the father. When suspicions arise that the mother had been murdered (and had been having an affair), Michelle unknowingly becomes enveloped in a web of lies until she herself is suspected. (imdb)

A comedy about high school with a series of stock characters.