1)
Zoom the map to the scale where you see the school boundaries.
2)
Select (click on) the school
3)
Click the 'circles' button to show the radial circle for the primary/secondary school
or
1)
Click the search panel to expand it.
2)
Enter the school name in the school search inputbox
3)
Select the school from the possible matches
4)
To see the lots, click the active circle.
5)
If you can't see any lots, make sure you zoom in the map.