In Japanese many cases if undersatnd what talk about. we can drop off the word above case "明日が楽しみです”also we can say. other case if lesson of today is intereting we can say 明日も授業をたのしみにする or 明日も授業を楽しみにしている also 明日も楽しみです　we can use.

Yes. Those are pretty much right.