Try playing a couple rounds without your Driver and Fairway woods. Hybrid through wedges only. You may be surprised how low you score. My driver swing has left me so far this year to the point that I have just left it to range practice for now. It has resulted in several rounds in the high 80s were as I never been able to break 94 last year. Good luck.
Lots of good advice above. Also, since you are young, athletic, and just starting out, don't focus on the score, focus on good fundamentals and good swings. The results will come, but don't get worried about them now. The advice of irons-only above is good for this. If you know you won't reach the par-5 in two, or be able to cut that 250yd dogleg, you may just try to get the ball in the fairway with a relaxed swing. The scores will come.
Short game, short game, short game. You only lost 2 balls OB but had a TON of chips and putts. Work on hitting the green with every shot within 100 yards. As that improves, your score lowers dramatically.