To view all of the spells, potions, and skills you've learned at Hogwarts and Beyond, select the book icon at the bottom-right corner of your screen to open your Wizard Journal. Here you will find your unlocked Potions, Charms, Flying techniques, and more.

You will need to tap on each individual class to see its specific curriculum. To switch between each year's curriculum, simply click on the arrows in the upper-right corner of the tab.