Here is a guide to the Level 84 Star School Auras! They're available in Azteca and there is one for each school.They work very much like the Berserk Aura, except that they only boost attacks for one school, and incoming damage for the opposite school.
Enter your wizard's school, level, and the number of training points he has available, and the Calculator shows which spells are available for training. Click on spells to train or untrain. Use the Training Point Calculator!