I am an American, 18 years old and I have just graduated from an international school near Madrid. 
I have worked several summers at an english language summer school and had experience in structured play time in english for the past 3 years. 

I would be available in June till the 28th of the month, But I will be on vacation for several days from the 12th to the 15th of June. I will also be available to take care of your child or teach english, the whole month of August.

Furthermore, the locations would have to be northern Madrid, Las Tablas and Sanchinarro.