The goals are different. The goal of the Russian school is to teach math. The goal of public schools is to dumb down the curriculum until everyone is equal.
The soviets were nationalists who believed the utility of the citizenry was in their contribution to their country.
You reinstill love of country, which really means love of society and others, which is another word for philanthropy, and you will quickly get this.
In America, instead of education and work being for the greater purpose of your nation and people, education is for the individual.
As usual, most people find more motivation when helping others than themselves, but the focus on ourselves in American education means it's easy to slack.
