All applications for employment with the Nassau County School District are to be completed online through Frontline Education. Please send completed employment applications and other human resource related questions to the Office of Human Resources email address below.Online Application Instructions. Fill out the online application on any computer. Our Interim Placement Program assists component school districts looking to fill temporary administrator, teaching and pupil-personnel vacancies. To apply for an In-County Transfer please complete the "Student Request for Transfer In-County" form and submit to the principal of the receiving school. At OLAS, we've made the job application process simple. You can apply for jobs at over 600 schools with just one application.