Sandra Bullock Wraps Week with School!

Sandra Bullock keeps a low profile while dropping off her son Louis at school on Friday (August 9) in Studio City, Calif.

Later in the day, the 49-year-old actress sported a black ensemble while picking up her three-year-old son.

PHOTOS: Check out the latest pics of Sandra Bullock

Earlier in the day, Sandra flashed a smile while heading to Louis‘ school.

“We invested the money in one of these new private space programs, and we shot 200 kilometers above Earth. Oh my God. I was pulling your leg. I wish we could do that!” Sandra‘s Gravity director Alfonso Cuaron recently shared about the flick.

15+ pictures inside of Sandra Bullock sporting two different outfits while heading to Louis‘ school…