YOU SAID:

I feel I am not ready for school tomorrow

INTO JAPANESE

明日は学校の準備ができていないと感じています

BACK INTO ENGLISH

I feel I'm not ready for school tomorrow

INTO JAPANESE

明日は学校の準備ができていない気がします

BACK INTO ENGLISH

I feel like school isn't ready tomorrow

INTO JAPANESE

明日は学校の準備ができていないような気がします

BACK INTO ENGLISH

I feel like school isn't ready tomorrow