Infant care

Hi i need to know is it too late to put my baby in infant care when he is 9 months old? He will be in My First Skool at Senja Road. Is there any review? My baby is quite fussy and need to rock and cradle him to sleep. Now trying hard not to do that anymore. But he still crying. Will baby adapt to the new environment? Currently my mum is taking care of him. Any advice or review? Thanks