Dear anamoly
Wow do I have a few good pieces of help for you, having gone vegetarian recently too! First of all do not make going vegetarian a chore and worry too much about calorie counting or you will quickly lose interest as eating will be...well a chore.
First seeing as you are vegetarian not vegan it is really easy:
1) Grocery Shopping - if you have access to your own fridge, you can go once a week and make sure to always grab 4 or 5 different fruits, 4 or 5 different vegetables, some beans (alternate various kinds), some grains, breads, cheeses, eggs, yogurts, nuts and milk or soy beverage and/or some natural fruit juices. (notice nothing really processed)
This way you can always put something together and grocery shopping does not become hard in itself like buying specialty items, it is easier if you get in a routine - saves time too.
2) Have all your meals! (3 is good 6 is better)
Breakfast is critical to start the day whether you are vegetarian or not
If you have small meals throughout the day you will find you will not have those late night hunger problems and will not have to worry about calorie counting.
Good snacks are things like yogurts, nuts, granola bars etc.
3) Try to eat out at the college caf or any other fast food restaurant as much as possible. This sounds kind of obvious, but as another comment said, just because they serve veggie does not necessarily mean it will be healthy.
Try to put together your own sandwiches in the morning with some snacks to carry with you throughout the day.
A few great secrets for awesome nutrition is a grain called QUINOA (has all essential amino acids) and a product called CHIA or SALBA that you can sprinkle on food for extra nutrition.
Finally I have actually started to document our everyday meals to make life easier for other vegetarians or anyone for that matter people in terms of cooking wholesome, quick and healthy meals. You can check them out with nice large pics here:
EVOLVING WELLNESS | Articles for Meal Ideas
New meal ideas come every few days!
Hope this helps