St Helens Vs Northwood college

[Me2016]

Which is a better school. Moving my year 4 daughter from Dubai and looking for recommendations.
How are the academics at these schools? Concerned about diversity as well. Any suggestion will be great.

St Helen's 65% A*-A a A level (which I regard the the best comparator). N College 57%. I would probably choose St Helen's over N College. I cannot comment on diversity other than both schools will have lots of children of Indian origin etc. and not many who are white just because of the local demographics.

@Me2016was it easy to get spots at the school in year 4?