Can you get the level 48 spell in your secondary school? I'm level 51 and have the level 48 balance spell, but can't seem to get the death one. I have 8 training points available, so that shouldn't be any problem. Or should I just start on my tertiary school spells now?
Just like you had to complete special assignments from your teacher for your main school of focus, so do other schools. Those quests are only available to Wizards with that main school of focus, and are not available to Wizards who only chose that as their secondary school.