| http://www.w3.org/ns/prov#value | - While line items specifically listing staff development total $3,000-$5,000 annually per teacher . . . real costs consider items such as salaries, facilities, fees, substitutes, stipends, materials, travel, and equipment.??? KDS notes that, taking all this into account, staff development studies estimate costs of $8,000-$12,000 per year per teacher.
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