Whether it’s the locker nearest the entrance or the lunchroom, chances are there is prime real estate in the school. Plus, getting to choose your own locker gives you some serious bragging rights.
It's probably not feasible to change lockers multiple times a year, so make this an annual reward that goes to the House or student with most LiveSchool points.
There are many ways to run this reward !
Of course, you maintain the control to move students if needed.