The document provides guidance on writing an effective cover letter for a teaching position. It explains that a cover letter allows teachers to elaborate on their resume and highlight their skills and experience relevant to the desired teaching role. The document outlines the key elements of a cover letter, including addressing it to a specific hiring contact, identifying the position applied for in the first paragraph, highlighting relevant qualifications in the middle paragraphs, and expressing interest in an interview in the closing paragraph. Tips are provided such as showing passion for teaching, customizing each cover letter, and avoiding errors. An example cover letter is also included that addresses the position, discusses relevant experience working with diverse students, and requests an opportunity to interview.