Hi Maya,

The highlighted and bolded words are some of the corrections I would make. As Sarah mentioned below, I would be sure to use more formal language. 

I wish you the best of luck on your application! 

I am an English Teacher in the Republic of Georgia. I was teaching high school students and currently, I am teaching school students. Besides this, I am tutoring students in the The Georgian language via Skype. In order to improve my teaching skills and become the best teacher possible, I am also studying in a teacher training program. as well. but why? Because I want to improve my teaching skills and become more and more successful in a teaching career.  I have a BA in English philology and an MA in American in studies in Romania. My teaching philosophy is wide and it includes potential growth for childrens' education in Georgia. Frankly speaking, I want to help Georgian students to increase their the level of English knowledge and become more motivated to learn a new language. I want really am determined to go in to the USA U.S. I would say it is my American dream to improve myself there. The USA U.S. is a country where you can get the gain the knowledge of training and future development. This program would be life-changing for me! will give me life-changing moment in my life.When I return to When I return to my country, I will share my experiences and training from the U.S. with Georgians.