You are band1 (middle or back) in your school.
I think 藍田聖潔靈 and 梁式芝 is okay for u.
I think 聖保祿is not okay for u because it is a very good school.(Causeway bay)
but if u really want to study in 聖保祿, u can try the 藍田聖保祿, it is worse than the Causeway bay one.