1. The average attire is jeans/shorts and a t-shirt or other casual wear. However, I have seen some students (usually girls) come to class in their pajamas. Some, like myself, tend to stick to more "casually formal" dress. 2. When I lived in the same city, I took the bus from my apartment there. Now I live outside the city and drive to the nearest train station. Many (at my school) love on campus or within a 15-minute walk of the campus. A few drive. 3. New students generally attend an orientation before they start that covers requirements. There are also advisers we can meet with to check our status and make sure we are on track. 4. It varies, but usually just hello 5. If addressing the class, usually a "Hello all". 6. When talking to them one-on-one I switch between professor or sir/ma'am. It also varies widely based upon the student and also what the professor prefers. 7. Fall terms tend to start in August and spring terms tend to start in January. 8. Fall terms end in December and spring ends anywhere between May and June. 9. It varies. Students can pick their own schedule based on times and days of available classes. For example, this semester I have one class from 1600-1900 on Mondays but am at school from 1200-1800 on Tuesdays and Thursdays though I am also required to do volunteer work at local secondary schools in my off time for one of my classes. 10. The student. After you choose your major, you are told what classes meet what requirements for that field of study and you choose classes based on scheduling, your interests, etc. 11. The colleges, mainly. Students can apply to any college that they want and then the colleges look at test scores, extracurricular activities, grades from secondary school (or a lower level college if they are a transfer student), where the student is from (some colleges try to take more people from the area while others try to recruit from further away or internationally), etc.

By is in relation to closeness, bye is a farewell. For example, "The pen is by the notebook." and "Bye, I will see you later."

It's pretty interchangeable in daily speech, but if you are going to use "lots", you drop the a before it.

Yes, it is a natural sounding sentence.

"What are you trying to pull." is an expression people use when they are accusing you of trying to trick, lie, cheat, or get the better of them. For example, I copy your work and turn it in as my own. You - "What are you trying to pull? That was mine. You stole my idea."

That is correct. Though, meet can be used for either depending on the region you're in. For example, here in California people use it interchangeably. "Let's go meet them." with the "them" being strangers on the other side of the room and they say "Let's go meet them." with the "them" being their friends that they are meeting up with for lunch. But in general, yes. Meet refers to somebody that you don't know yet and meet up refers to getting together with someone that you already know.