I have been lifting for 2 years now and I just wanted to see what everyone else thought and if you have any suggestions on any excercises I should add or change.

My workout schedule over the summer was

Monday

Bench 2x8 2x5
Bicep curls 4x8
Dips 4x15
Military press or shrugs 4x8
Back 2x12

Tuesday

Squat 3x8
Power Clean 3x5
Calf Raises 4x15
Abs (all different things)

Wednesday
(same as monday)
Thursday
(Same as tuesday)
Friday
(same as monday)
Saturday
(same as tuesday)
Sunday
off

My training will change when school starts and I will probably lift every day switching off upper and lower body

I try to get a half hour of running or some kind of cardio or sports in every day.

Currently my one lift maxes are

Bench 170
Squat 210
Clean 160

I am 16 years old 5' 10" and 135 lbs
I am trying to gain muscle weight while losing a little more fat to improve my abs. I have been seeing results for a year but I have reached a point where I am not seeing anymore results. Any suggestions??

You workout too often. If you do an upper lower split, you should rest 3 days of the week. You SHOULD imo do a FBW 3 times a week. Your body grows at rest, not while working.

Your exercises need to be checked out. There is little benefit for the general population to attain from doing curls. You are far better off doing rows and pullups. Having said that, you do neither. The back should be worked just as much as the chest. In general, you should stick to compound lifts, and drop the isolations.

You also need to include deadlifts into your lower body day. Deads are very important to develop the posterior chain.

Read around the forum a bit, questiosn and situations like yours have been asked amny time and answered, there are many tihngs that need to be addressed. Read the Weight Training 101 sticky.