Is it the key to inequality? Experts claim that learning to speak is crucial for smashing the “class ceiling”. But some teachers think teaching talking is trickier than it sounds.
Talking is crucial says school report

Glossary
Class ceiling - A hidden barrier that prevents people from advancing in class and earning the same as those from upper middle-class backgrounds.
Disadvantaged - Lacking the basic resources or conditions — such as decent housing — believed to be necessary for an equal position in society.
Inequality - When money and opportunities are not shared equally between different groups in society.