Healthy food options for a college student?

In a few months I will be graduating h.s. and going off to college. The college I'm going to does not have a meal plan, but does have a salad bar, Chick Fil A, Subway, and a few others on campus. I will be providing most of the meals for myself. Breakfast is easy with cereal, fruit, etc, and snacks are easy as well for yogurt, fruit snacks, granola bars, etc...but what are some healthy, cheap, and fast options for lunch and dinner? I share a kitchen with my floor, but we have our own fridge (mini) and microwave. I MIGHT be able to have a blender.