The preschool my son goes to takes care of our son from nine to five.
The kindergarten my son attends looks after my son from nine in the morning until five in the evening.
ーThe preschool my son goes to takes care of our son from nine to five.
「息子の幼稚園は9時から5時まで預かってくれる」
to takes care of ... from nine to five で「…を9時から5時まで預かる」と言えます。
ーThe kindergarten my son attends looks after my son from nine in the morning until five in the evening.
「息子の通う幼稚園は朝の9時から夕方5時まで預かってくれる」
to look after を使っても「預かる」を表現できますよ。
ご参考まで！
カナダ 
