Three hundred teachers and 200 administrative workers are involved. They were notified, according to published reports, that their jobs are expiring and they can apply for other posts.
About 1,000 other central office workers are being notified their jobs are changing.
The board is looking at a deficit that could be as much as $30 million. Layoffs are still a possibility.
The board took seven schools out of service last week as part of the continuing budget trimming, hoping to save about $5.8 million.