How is English taught in Spain?

Focus on how English is taught in international schools and non-international schools of Spain 1. What is the role of English in these two types of schools? 
 2. How is English taught, similarly or differently, in these schools? (Focus on secondary Education)
 3. What is the existing language policy and how does said policy affect both students and 
teachers? 
 4. Based on what we have discussed so far, how would you propose the policy to be 
updated? 
 5. Should their policy stay the way it is or should it change?