why can't use cell phone in classroom

About Me When I get angry , I can controlled my self and I take care with my self to stay health and safety for me . I’m not scare and shy because I have bad grades, so I need more study to get a good grades comeback to make teacher is happy. I have short and brown hair. I have brown eyes. I usually wear brown jeans , and brown ,white , and blue t-shirt. I wear a white sneakers everyday in my school . sometimes, I like to wear my jacket everyday in my school. I’m study at Rancho Alamito High School . I’m grade 10 . my favorite sport is basketball , volleyball, hockey , running , jumping. I like play basketball with my friend outside the gym .My favorite food is chicken, egg, meat, rice, vegetable, spaghetti, and ice cream. My favorite music is vampire , twilight, k-on ,and green arrow ,rock ,rap ,classical, night core –missing . My favorite movie is vampire, wolf man, ghost house, doctor house, green arrow, and adventure. I like to talk with my friend after lunch or after school too. My grades is bad, so I need more study hard , and focus about teacher say it or teacher write information on the screen. After school , I go to home and do some homework in my school but sometimes, I forget about my homework and make teacher not happy and I need carefully about my homework in all my period for my school to important my grades. I will figure out what I do wrong with my grades in my school everyday. My school is want me graduation to go college university and I want my dreams is come true but more hard to go college university , so you need study hard get a good grades in high school and graduation for that school , so u can go to college university .