diet revised, please critique

legend: (protein, carbs, fat)

MEAL ONE
1/2 cup oatmeal + 1 cup milk + 1 scoop protein powder (24, 38.5, 8)
grapefruit (.8, 10, .1)
protein shake (1 cup milk + 2 scoop protein powder) (29, 15, 6.5)

MEAL TWO
can of tuna (30, 0, 1.25)
1/2 sweet potato (1.75, 18, .08)
protein shake (29, 15, 6.5)

MEAL THREE
can of tuna (30, 0, 1.25)
pb/j sandwich (13, 34, 17.5)
protein shake (29, 15, 6.5)

MEAL FOUR
can of tuna (30, 0, 1.25)
protein shake (29, 15, 6.5)

MEAL FIVE
can of tuna (30, 0, 1.25)
protein shake (29, 15, 6.5)

totals (304.55, 175.5, 63.18)

i workout between meal two and meal three. *my sleeping schedule is jacked:
2pm wake up, meal one
5pm meal two
6pm workout
8-8:30pm meal three
10-11pm meal four
1am meal five
5am sleep

on days i have school (tues/thrus):
2pm wake up, meal one
5pm meal two
6pm school
8pm can of tuna (in class)
9:15pm workout
11pm meal three
1am meal four
2am meal five
5am sleep

-- cb

forgot to mention that i wanna gain >lean< muscle mass...

thanks for the advice,
-- cb

also, going on the assumption that:
1g protein = 4 cals
1g carbs = 3.75 cals
1g fat = 9 cals

then i'm getting roughly 2445 calories a day.

thanks again, and bump! =)
-- cb