Time Not in Management

Hello. I am having difficulty in taking out time for khan academy. here is my timetable

3PM from school to home 

till 4Pm lunch

5-6Pm homework from school (given daily)

6-7.30Pm playing

7.30-8.00 relax time(still there is housework)

9-10 dinner

11 Pm on bed

i can sleep at 12 pm but my bus comes at 6am and i get up at 5pm

please tell me some suggestions so that i can take out time for khan academy