Writing tips and examples to help you create effective cover letters that showcase your skills and qualifications for school-related jobs. How do I write an application letter for a job?☐ The letter includes why you are sincerely interested in the job or employer, and how you heard about the position. ☐ The letter is written professionally. Letter for Job Application Class 12 Format. In this article, we share the steps for writing an application letter along with a template and an example for you to use when writing your own. Looking for additional resume and cover letter tips and templates? Letter for Job Application Class 12 Format. A cover letter should accompany every resume you send out. Official website of the Commonwealth of Massachusetts.