Most childreen have extra classes at home in mathematics in physics in sciences they never have extra classes in french or in english you know why ? this gives especial type of developpement for the childreen they think if you scientific oriented students you are more successful than If you learn french very well. you can use french to learn more. If you learn English is even better because you can be informed and trained you got information all the time and you got training in any filed you want, It's available now everywhere but the influence of the family don't allow that.