You need to understand, that you have to follow specific format, in order to write a good application letter.
Here, you need to know and remember the following important thing
Yes, you have to say things in a short and precise manner, since an application letter comes under the category of Formal Letter
I am writing the following letter to the Principal thanking him for extra coaching
City Montessori School,
Subject (Letter to the Principal thanking him for extra coaching )
I am X (Your name) student of Class 10th A, “Thank You” wholeheartedly for arranging extra classes for the subject of physics
Extra classes help my classmates and me from uncertainty, chaos and confusion, especially as Tenth class examinations were near at that time
I am also quite pleased to inform you that I have passed with flying colors
Sir, you dearly provided guidance regarding concepts in Physics which helped me gain confidence by clearing the concepts right under the guidance of experienced and hardworking teacher.
I also want to say that the school has been my biggest support all through the years and I am indebt to each and every single teacher and especially you Principal Sir.
I am already very honored to be a part of such an esteemed college and I can dearly promise you that the results of the next year will be even better
Thank You once again ,
Class 10th Student