Tip #3: Find New Ways to Know Students
Unfortunately, the larger the class size, the more the relationships with students suffer. Consider creating surveys once or twice a week where students can answer questions on a likert scale and also ask questions of you. Invite students to write a letter to you about their learning, their accomplishments, challenges, and interests.
You can also rotate your focus every few days to 5 or 6 different students. That way, no one will slip through the cracks. Often with large class sizes, the squeaky wheels, so to speak, are the one's that receive much of the teacher's time. Make sure you check in regularly with your "proficient" students, and continue to create differentiated assignments for those gifted kids in the room.