Writing Feedback / 'Everyone was burned to crisp' - "Jacob" - grammar for my Essay? [4]

Hi, I'm in seventh grade and I had to write an essay for school. This is just a draft, but I was wondering if I could get some tips regarding my grammar and the like in my essay.

Appreciate the help. Thank you! :)

Jacob

"Children, children quiet. NOW!" the teacher said. "Open your books to page 16, umm ... Jacob, read the first paragraph," Jacob was nervous "O-o-on-once th-th-ere w-w-as a-" everyone started laughing because Jacob couldn't read. Tears came dropping down his rosy cheeks like the rain in sunshine. He ran out of the class room all the way home he knew his nana would understand. He ran to his room and slammed the door shut... his nana came bolting through the door like a bull charging at a piece of red cloth. They argued for 10 minutes until his nana found some words of wisdom to persuade him to go back to school.

It was a short walk to his school it takes two minutes he got to his classroom the one in the furthest corner of the school. He went in to see a massive pile of burning books. Jacob was puzzled he didn't know what to do, then suddenly he remembered the schools fire plan, he walked calmly to the small oval behind the school. As soon as he got out of the building and on to the oval a burst of flames shot up from the school the whole thing was on fire. He ran home once again but this time the house wasn't there it was burned down to a pile of ashes. Everyone was burned to crisp nana, popi, Elie Martha and Olek.

Someone was shouting in a foreign language suddenly someone grabbed him and put him on a big truck with lots of other children he tried to get out but there were soldiers blocking his way and telling him to move to the back "AAHHHH!" he screamed he was feeling nauseous with his friends and family dead. He fainted "Let him go he's mine." A man yelled ...