In the last piece of an eight-part series in the Holland, Missouri Sentinel newspapers, columnist Ray Buursma draws upon a quote a college professor once used -- "That which a society values will flourish." Buursma looks at the education system and notes that the brain's greatest development happens between birth and age 4. The school system doesn't receive children until approximately age 5. Some parents help develop their child's brain well; others do not. The greatest failure in America's education system has not been in the classroom, said Buursma, but in the home. The system has failed to instruct and help parents develop the brains of their preschoolers.