Transfiguration was taught by Professor Albus Dumbledore. When he became headmaster he was replaced by Professor Minerva McGonagall.
Yes. They finally kissed during the battle of Hogwarts at the end of which they were holding hands. In the epilogue, set nineteen years later, they are married with two children called Rose and Hugo Weasley.
She is a teacher at Hogwarts. The strict but passionate leader of Gryffindor, she is also the deputy head of Hogwarts and the Transfiguration teacher.
In the Harry Potter books, Albus Dumbledore is the headmaster and Minerva McGongall was the deputy headmistress. Twice during the series, McGongall became acting headmistress, once in the 1992-1993 school year when Dumbledore was removed by the Board of Governors and once in the 1996-19997 school year after his death. In the 1997-1998 Severus Snape was appointed as the headmaster. It is not known who filled the position after that, although J.K Rowling has stated that it was not McGongall.
Rose Weasley and James Sirius Potter are NOT the same age. In the epilogue, Rose is just entering Hogwarts along with Albus Severus Potter and Scorpius Malfoy, while James is older and has already been to Hogwarts.
According to the epilogue of the last book, it is rebuilt and it continues education as it was before Voldemort and during his absence.
Dolores Umbridge
The only thing said about Hogwarts teachers is that Neville Longbottom is teaching the Herbology class. Nothing about who the Headmaster is, though. it may be McGonagall or Flitwick but that's just guessing
He grew up in Godric's Hollow. It is unknown where he lived afterwards, but during the Harry Potter series, he was living at Hogwarts, as headmaster.
Dolores Umbridge.
professor snape
Yes, Harry was sending his children there in the epilogue.
He was Professor of Transfiguration.
harry potter
Dumbledore, because he used to be a teacher (before Harry went to Hogwarts) but then got promoted to Headmaster.
severus snape takes over as headmaster once harry leaves school to search for the horcruxes.
Severus Snape is the headmaster of Hogwarts in Harry Potter and the Deathly Hallows.