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
Literacy - The ability to read and write.
numeracy - The ability to understand and use numbers.
Fluent - Able to express oneself easily and articulately.
Class ceiling - A hidden barrier that prevents people from advancing in class and earning the same as those from upper middle-class backgrounds.
Socioeconomic - A way of describing people based on their education, income and type of job.
Methodologies - Systems of methods used in a particular area of study or activity.