Healthy vegetarian lunches for school?

I'm a vegetarian, not vegan and wanted to find some healthy, quick and easy lunches that I can pack the night before for my school. Last year I usually ended up taking leftovers from supper but when I didn't have any leftovers I was screwed. So what main meals can I take for my classes? I have to eat during... show more I'm a vegetarian, not vegan and wanted to find some healthy, quick and easy lunches that I can pack the night before for my school. Last year I usually ended up taking leftovers from supper but when I didn't have any leftovers I was screwed. So what main meals can I take for my classes? I have to eat during my classes next year so something easy to eat like a sandwich type thing would be better. Also, I know that I'm not getting enough protein or iron so if there are any ideas that are high in those that would be great. Thanks :)
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