Language is a sole way to communicate and express our ideas and emotions with other.
...well, language is not the sole way, but the best way to communicate. Dumb people communicate with others using certain body language.
childrens
.... this is wrong. "Children" is the right word which is the plural of "child"
To begin with,children perform very well during theirlateradvance studies if they know a second language
o cite an example,certain studies reveal that children who study a foreign language have an ability to study academic subjectsratherquicklyfaster than monolimonolingual students .
Overall, this is a good essay. Seems you follow the right structure too :)