Last month it offered early-retirement incentives to about 5,500 employees.
For teachers over 50, the new agreement contains an early-retirement incentive.
Ms. Haspiel will probably leave by the end of this month to take advantage of an early-retirement incentive.
A restructuring program, early-retirement incentives and an adverse rate ruling were cited.
The governor's plan would freeze state aid to schools at the previous year's level of $14.2 billion and cut the state work force through early-retirement incentives.
Allows local governments to offer early-retirement incentives to their employees.
The early-retirement incentives cost the state $145 million.
It also prevents companies from coercing older workers into accepting early-retirement incentives when they want to stay on the job.
Many professors responding to the early-retirement incentives have left their institutions in random patterns.
The company has already cut more than 300 jobs in New Jersey by offering early-retirement incentives and is seeking 900 more volunteers.