Nearly all public school teachers in New Jersey have a college degree. Fewer than half had a master's degree or doctorate during the 2006-07 school year, but teachers in North Jersey are more likely than their peers across the state to have post-graduate degrees.

Last month, way ahead of her due date in late October, Carolyn Lederer took a test that detects Down syndrome in unborn babies far earlier - and much less invasively - than amniocentesis.