Complex sentence: His mood is also uplifted with advantages such as his newly-developed infatuation with a girl named Joanne McFadden, although Fudge continues to demonstrate his usual uncontrollable behavior and tantrums, to the extent of being relocated to a different kindergarten class after having kicked his teacher.
Split into simpler sentences: His mood is also uplifted by his newly-developed infatuation with a girl named Joanne McFadden. Fudge, however, continues to demonstrate his usual uncontrollable behavior and tantrums, to the extent of being relocated to a different kindergarten class after having kicked his teacher.