The single most important thing in a child's performance is the quality of the teacher. Making sure a child spends the maximum amount of time with inspirational teachers is the most important thing.
The accumulation of cultural capital - the acquisition of knowledge - is the key to social mobility.
The current leadership of the Labor party react to the idea that working-class students might study the subjects they studied with the same horror that the Earl of Grantham showed when a chauffeur wanted to marry his daughter.
Labor, under their current leadership, want to be the Downtown Abbey party when it comes to educational opportunity. They think working class children should stick to the station in life they were born into - they should be happy to be recognized for being good with their hands and not presume to get above themselves.
Children themselves know they are being cheated. Ultimately we owe it to our children. They are in school for 190 days a year. Every moment they spend learning is precious. If a year goes by and they are not being stretched and excited, that blights their life.
It is literally the case that learning languages makes you smarter. The neural networks in the brain strengthen as a result of language learning.