Why are cover letters so important? They provide the prospective employer with a brief review of your skills and abilities in the form of a letter. These types of letters are written much differently than resumes and can have a potent impact on your future employer. hat means there will be 150,000 to 250,000 openings for teachers in the nation’s elementary and secondary schools. The needs are greatest in urban best anger management and rural communities and in curricular areas such as special education, mathematics, science, bilingual education, and English as a second language.” This information comes from recruitingteachers.org, a non-profit organization based in Belmont, MS.