Scenes from film about teenage delinquency. Narrator discusses and shows the "original causes for delinquency… like in the crowded schools..." Shot of brick school house. Shot of a crowded narrow classroom [hallway?]. Shot of teacher at blackboard. Shot of student raising hand an standing up. Shot of students walking through school halls. Shot of outside of a different school with boy running towards it. Narrator says, "This school is proud of the fact that its attendance has doubled." Shot of crowd of students walking into school. Shot of bus pulling up in front of school. Shots of students getting out of bus. Shot of crowded classroom. Shot of teacher (Mr. Black) watching students type on cardboard typewriter keyboards. CU of student's hands working over cardboard typewriter keyboard. Narrator says, "Typewriters have to be rotated... Meanwhile Mr. Black goes next door to struggle with a simultaneous shorthand class." Shots of Mr. Black walking into another class and picking up a book in front of class. Shot of crowded classroom. Shots of students doubled up at desks. Another shot of Mr. Black in front of class reading from book. Shot of Mr. Black at desk with papers checking watch. Shot of female teacher at blackboard. Another shot of crowded classroom. Shot of students leaving room. Narrator says, "This school, understaffed and overpopulated, is like too many in America. This is a matter of concern to all of us." Shots of students in hallways. Shot of crowd of children exiting front of school.