Within the limits of the funds available to any state agency for such purpose, the administrative head of such state agency may grant paid educational leave on a part-time or full-time basis and reimburse employees for educational expenses such as tuition, books and related fees to pursue undergraduate or graduate level education to those applicants deemed qualified. It is the intent of the Legislature that such educational leave program shall be used as an incentive for employees to develop job-related skills and to develop employees for higher-level professional and management positions.