Lots of points can be brought up in a school case, ranging from major to minor, and it would probably be much better if they had shorter cases and more of a focus on the main issues.
"Local parking difficulties" used to be another old favourite - I assume it still crops up?
They use a checklist something like this one:
(see point 4)
There's really no need to worry - I can't see panels attaching much importance to lockers and local parking difficulties! If the school made its case at stage 1, it would have been for more substantial reasons.