Outdoor lockers for when space is not available insides
There is an answer; Total Locker service has a range of outdoor lockers manufactured from an incredibly tough plastic in a range of colours that provide a complete solution.
This was the problem at Sarah Bonnell school, the pupils had no lockers or personal storage space, and there was insufficient space inside the building. The solution was to use extreme plastic lockers around the outside of the building for pupil use.
The extreme plastic locker is ideal in this situation, being plastic there is no problem with rust and the way the locker is constructed it is many times stronger than a standard metal locker making vandalism less of an issue.