singing, and even dancing: the
    teacher is missing in a 7th Grade classroom. This rare
    absence of authority is intensely enjoyed by the crowd. It
    looks like it's party time for these KIDS.

    They talk and laugh, show each other photos on their phones,
    draw spaceships and baboons on their notebooks, and fold
    pieces of paper into airplanes that fly around the room.

    In a corner, a GROUP OF GIRLS dance to the tune of a song
    they are listening to on headphone