Study finds $1.5B supplemental ed market.(Numbers)

A study of the elhi supplemental publishing market found that sales grew 4.6% in 2002, to $1.53 billion. The study, sponsored by the Association of Educational Publishers and conducted by Education Market Research, recorded sates from 63 supplemental publishers.

The largest gain in the year was in math, where sales rose 8.2%, to $99,3 million. Sales of social studies materials increased 2.4%, to $108.4 million, while sales to the science market rose 1.5%, to …