It sounds like factory work, but Chase principal Olga La Luz swears by the system.

FORBES: Instant feedback in the classroom

Maria de la Luz Hernandez said she accepted her son's decision to join the military, but she did not support it.

CNN: Texas POW deeply spiritual, friends say

The 300, 000 residents here chose street names such as Avenida Santa Teresa, in reference to the neighborhood's largest church, and Calle la Luz because it was in the first area in the country that had electric light.

WSJ: Costa Rica Addresses Its Lack of Street Names