He also assembled artists at Hautvillers who transformed Carolingian art into a new thing and founded the so-called Reims School.
On 2 February, 835, Ebbo appeared at the Synod of Thionville, where in the presence of the emperor and forty-three bishops he solemnly declared the monarch innocent of the crimes of which he had accused him at Soissons, and on 28 February, 835, made a public recantation from the pulpit of the cathedral of Metz.