Your child's personality plays a large part here (is he or she ready for it?) and also whether the school at home grants leave to go abroad during standard school career.

The possible entry points into the British school system are at 13+ (Year 9 entry), 14+ (Year 10 entry), 15+ (Year 11 entry/Pre Sixth) and 16+ (Sixth Form) - but there are always exceptions to this rule! Most students join in September of any school year, but mid-year entries are also possible.

Here are some reasons:

• Whether highly academic or needing special support of some kind - a good boarding school supports each child according to his or her individual requirements.
• Teachers have a different standing in Britain and are much more motivated and committed.
• Small classes make it possible to teach the subject matter in a clear and interesting way. Learning is suddenly fun.
• A huge range of sports, art, music  and IT are offered outside of the classroom. It's cool to get involved. 
• Being away from home for some time stimulates the ability see the bigger picture and to think and act independently.
• Last but not least, English is learnt more or less in passing.

Attending a British boarding school is a also wonderful opportunity to make international friends for life.