Mrs.Weasley was the one who hugged Harry after returning from his third year at Hogwarts School of Witchcraft and Wizardry.
yes harry potter goes back to Hogwarts
In Harry Potter And The Deathly Hallows Harry gos back to Hogwarts in the 29th chapter.
No,for the seventh year
Ron goes with Harry to go and find Horcruxes. And then he leaves, but eventually comes back and saves Harry's life and destroys a Horcrux. Then later he helps the Order in the Battle at Hogwarts
In Harry Potter and the Order of the Phoenix just as Harry and the others were going back to Hogwarts after Christmas.
yes he does, but he does not in the Deathly Hallows
On the back of Quirrel's head.
No, he does not. He, Ron Weasley, and Hermione Granger leave Hogwarts after their 6th year in order to hunt down Voldemort's Horcruxes. However, they do return for the Battle of Hogwarts, in which they fight against the Death Eaters alongside other Hogwarts students.
No. He goes to seek You Know Who and finds out about the Deathly Hallows.
Harry Potter and the Deathly Hallows Part 1 isn't set at Hogwarts and Professor McGonagall was still teaching there. She appears in the second half of the movie when Harry, Ron and Hermione go back to Hogwarts.
Not in the Harry Potter books one through seven. The last book ends with his final year at Hogwarts in which he can't become Headmaster because he has learning to do. If the author made another book about what happened after Harry finished Hogwarts, it is possible he could take over the job as Headmaster.
There have been no announcements about future books in the Harry Potter series.