请英语高手帮我翻译一下这段话,不要在线翻译的谢谢...

他大部分时间都在云南念书，每年只有寒假和暑假可以回到上海。而且终于高中结束以后，考上了上海的大学，来和奶奶住在一起。
翻译：A lot of time ,he has studied in Yunnan, but each single year,only in summer and winter vacation he would go back to Shanghai. In finally after graduate from senior high school , he attend to university of Shanghai and company to live with his grandmother.

he spent most of his time studying in Yunna.Only going back to Shanghai on summer and winter holidays every year. and that finally when he finished his senior school，and was admitted by university in Shanghai，then he lived with grandmother.

Most of time ,he studied in YunNan and only can back to Shanghai at summer holiday or winter holidays every years. Then after finished senior high school , he was admitted to Shanghai university while he could live with his grandmother.
亲若满意，请采纳。

He spent most of his time studying in Yunnan and could return to Shanghai each year only in summer and winter vocations. By the end of his senior high school, he was eventually admitted to an university in Shanghai and came to stay with his grandmother.

He spent most of his time studying in yunnan, only winter vacation and summer vacation every year to return to Shanghai. And finally after high school, admitted to the university of Shanghai, and grandma live together.