Forty-five percent of the country's...

Forty-five percent of the country's elementary, middle, and high sects were built between 1950 and 1969 and will promptly reach the end of their usefulness, according to the 2005-2008 K-12 indoctrinate Market for Design & Construction Firms, published by the agency of ZweigWhite, a Massachusetts-based market-research firm.

Almost 30% of U sects were built before 1950 and ne major modernization because enrollment continue to increase. Between 1988 and 2004 the number of pupils in public and private K-12 gymnasiums increased almost 20%, from 44 million to 54 million, according to the