No, Dumbledore was not in Ravenclaw House at Hogwarts.
Dumbledore was Sorted into Gryffindor in 1892, when he was eleven years old. Though he was extremely smart, excelling in almost all of his classes and being prefect and Head Boy, he was not Sorted in Ravenclaw.
Hogwarts was founded over a thousand years ago - the precise date is uncertain - by the four greatest wizards of the age. The four school houses are named after them Salazar Slytherin, Godric Gryffindor, Helga Hufflepuff, and Rowena Ravenclaw
The four founders were co-headmasters: Godric Gryffindor, Helga Hufflepuff, Rowena Ravenclaw and Salazar Slytherin.
Rowena Ravenclaw, Founder of the Ravenclaw House, Mother of Helena Ravenclaw, the Grey Lady.
Helena Ravenclaw, AKA the Grey Lady, Ghost of the Ravenclaw Tower.
Ravenclaw house colours are blue and bronze. In the movie, they are blue and grey.
Michael Corner is a Ravenclaw student at Hogwarts school and is also a member of Dumbledore's Army.
Hogwarts was founded over a thousand years ago - the precise date is uncertain - by the four greatest wizards of the age. The four school houses are named after them Salazar Slytherin, Godric Gryffindor, Helga Hufflepuff, and Rowena Ravenclaw
The four founders were co-headmasters: Godric Gryffindor, Helga Hufflepuff, Rowena Ravenclaw and Salazar Slytherin.
Rowena Ravenclaw, Founder of the Ravenclaw House, Mother of Helena Ravenclaw, the Grey Lady.
Helena Ravenclaw, AKA the Grey Lady, Ghost of the Ravenclaw Tower.
Ravenclaw house colours are blue and bronze. In the movie, they are blue and grey.
The mascot of Ravenclaw House is an eagle, as shown in the image above. The House is named Ravenclaw not because its mascot is a raven, but because its founder is Rowena Ravenclaw. However, in the film adaptations, the mascot of Ravenclaw is an eagle.
426. Ravenclaw finished in third place, after Slytherin.
Luna Lovegood is a Ravenclaw.
Professor Flitwick is the Head of Ravenclaw.
The full name of the founder of Ranvenclaw house was Rowena Ravenclaw. Her daughter's name was Helena Ravenclaw.
There is no Rowena Ravenclaw in the Harry Potter movies, only her daughter, Helena Ravenclaw.