YOU SAID:

its time to go to school so you better wake up

INTO JAPANESE

学校に行く時間なので、起きたほうがいいです

BACK INTO ENGLISH

It's time to go to school, so you should get up

INTO JAPANESE

学校に行く時間なので、起きなければなりません

BACK INTO ENGLISH

It's time to go to school, so I have to get up

INTO JAPANESE

学校に行く時間なので起きなければならない

BACK INTO ENGLISH

I have to get up because it's time to go to school

INTO JAPANESE

学校に行く時間だから起きなきゃ

BACK INTO ENGLISH

I have to get up because it's time to go to school