Too many to comment on all. For more feedback, I would suggest posting 2 or 3. Numbering multiple photos is also a nice courtesy for potential commentors. So with that in mind.....
#1 - Not buying it, sorry. With that much blood on his chest, I would expect more splatter on his face rather than the two finger trail down his jawline.
I think your key light is either a bit hot or perhaps should have been feathered more. This most noticeable on the forehead and particularly the shoulder. You are getting a rather nasty reflection in the blood trail.
If you are using only one light, I think perhaps two reflectors may have helped. One small to lift the shadows from the corner of his right eye and one larger to get some separation from the background on his left.
Nice looking model.
#7 - Lens flare can work at times to really enhance a mood. Not so much when it cuts through the subject's face though.
#8 - I really wish the background wasn't blown out because everything else is great. This little girl has attitude and doesn't care who knows it. The DoF was nicely chosen.
#9 - Sloppy PP work under the chin, behind the head and above the hoodie.
All in all, for one year out of the shoot, you're doing pretty good. I would suggest doing more research on posing your models. There are many in this lot where the body is square to the camera, either with their chest or their shoulder.
Thanks for sharing. Keep shooting and posting.