The school's computer lab is so noisy that he can not study well.
=The school's computer lab is too noisy for him to study well.
=The school's computer lab isn't quiet enough for him to study well.
The school's computer lab is so noisy that he can not study well.
=The school's computer lab is too noisy for him to study well.
=The school's computer lab isn't quiet enough for him to study well.