Pretty sure there's a bike rack in every town with a school. Your 'Almost*' has towns like Lismore (2 public high schools), Casino (1) and Murwillumbah (2 schools and bike rack on main street) all without racks
Came here to say this - looks awfully like OSM data and no attribution.
I'm also not clear on whether Google likes displaying OSM data on their map; it's a strange combination. I can't ever remember seeing "Copyright Google, Copyright OpenStreetMap contributors" in the footer of a page.