San Francisco Chronicle | Late start to school, on purpose

KINDERGARTEN PREP Late start to school, on purpose
by Janine DeFao
Saturday, September 30, 2006

'An estimated 9 percent of children nationally are entering kindergarten a year later than they could, though there's little evidence that children perform better in school if they start late. This practice has become common enough to earn the nickname "redshirting," borrowed from a term for college athletes who don't play in their freshman year in order to spend the time building their strength and skills. [...]'