| Data file | 
|---|
| 
            File main
                    
             - Cover page with data about the educational establishments 
        - External environmental factors  | 
                    
| 
            File solide waste
                    
             - Solid waste management 
        - Conditions in cafeteria  | 
                    
| 
            File water and waste water
                    
             - Water  
        - Wastewater  |