Most instructors hand out a syllabus in the first class meeting to help you be prepared for class. Some instructors may not even refer to the book. Some may follow the book very closely. Be prepared before you enter class. Have a notebook, pen or pencil and calculator, if needed.
Most research indicates no.
A critical skill to develop is listening strategy. To be successful, a student must be present physically and regularly. It also means being in a position to hear and see the speaker, focusing on the speaker and maintaining eye contact. Sitting close to the speaker helps maintain concentration. Usually everyone takes notes during class.