How many times did Lord Voldemort ask to work at Hogwarts?

Twice. Once when he graduated, he asked Headmaster Dippet. Armando Dippet told him to get more experience first, then ask again. He travel around for 10 years, then came back to Hogwarts. Dumbledore was Headmaster at the time. read more

Twice. Once when he graduated, he asked Headmaster Dippet. Armando Dippet told him to get more experience first, then ask again. He travel around for 10 years, then came back to Hogwarts. read more

Voldemort attended Hogwarts from 1938-1945. His time at Hogwarts coincides with World War II and the rise/fall of the Dark Lord Grindelwald. During his time at Hogwarts, Voldemort used an Ollivanders wand which was 13 1/2", made from yew with a phoenix feather core. He was sorted into Slytherin, and was obsessed with his heritage. read more

—Tom Riddle's transformation into Lord Voldemort Tom Marvolo Riddle (31 December, 1926 – 2 May, 1998), later known as Lord Voldemort or alternatively as You-Know-Who, He-Who-Must-Not-Be-Named, or the Dark Lord, was a half-blood wizard considered to have been the most powerful and dangerous dark wizard of all time. read more