A thank you letter to a teacher should state specific reasons the teacher has positively impacted the student's life. This guide will show you how to craft effective letters of appreciation to teachers and provide a template and examples to get you started.The message of appreciation should stand alone. Be brief, warm, and sincere. In addition to my qualifications and experience, I will bring excellent work habits and judgment to this position. Thank you for making school fun and letting us run around in the morning. I like drawing best, but I always have fun in your class.