International schools

We are hoping to move to the area around Alhaurin el Grande soon.  We have a 12 year old daughter who has never learned Spanish so need to find a good academic English speaking school.  I have been told about Sunland School but we were also wondering about St Anthonys College in Mijas Costa.  Does anyone know either of these schools and opinions on their teaching and success rates etc?  Are there any others which are within a reasonable driving distance?  I would appreciate any information.  Thanks