Adding to my bench need help?

i workout on mondays tuesdays and thursday...on tuesdays and thursdays i lift during my athletics period and then after i go to powerlifting- i do uper body there..incline and bench press we do 2 t of 6 at 60% then 2 sets of 4 at 80% then 2 sets of 3 at 90% then 1 set of 6 at 60% when do the same lifting routine every time. how much will i be able to add to my bench by april of this year..i generally get enough sleep..10pm-6am and i drink a powershake on my lifting days which consists of musclemilk,coconut water,honey,bannas,oarnges,ice. and i try to eat healthy but i dont always...SOOOOOO how much would i be able to add to my bench or overall strength really by next april and how much weight will that put on..im really looking to bulk up so i can start on varsity football for my junior year