Glendora Coordinating Council Please Note: The community calendar is managed by the Glendora Chamber of Commerce. School Districts go Results Found: 2 Button group with nested dropdown Charter Oak School District Charter Oak School District 20240 Cienega Avenue Covina CA 91722 626-966-8331 Glendora Unified School District Glendora Unified School District 500 N. Loraine Avenue Glendora CA 91741 626-963-1611