Hi Ayishah, I didn`t see your original critque request so my apologies if I am referencing or suggesting things that were already covered in the original post.
I think it is great that you posted the prices. The reason: I would have immediately thought that the prices would be higher for the classes and maybe not attianable for families to get their children into these classes. I like the prices a lot, I think they are extremely reasonable. *One question on the childrens page. What does min./max. stand for - - Minimum and Maximum # of children /class or Min/Max # of classes? I was a little unclear on that.
On the Adult page it might be a good idea to include some of the information you have on the corporate page for preparing for international travel. I immediately thought of a family trip abroad and needing some skills above basic or honeymooners, etc.
I also liked the statistics about children and cognitive learning skills developing at an early age. Maybe on the FAQ section or somewhere on the children`s page you could give some stats on how frequently they should be attending classes and for how long to reach certain thresholds. But not too overwhelming though because your site is so nice and clean for someone navigating around.
I don`t recall seeing any testimonials on the site. If this is a new business I would recommend getting testimonials from as many people as possible and post them to your site as they come in. Otherwise, ask past clients if you can get permission to publish a testimonial.
Great site, great service. Good luck to you. I`m sure you`ll do well!

