Might work for some countries, but the problem is that schools in the USA completely lack centralization: each school district is its own separate governing body. Jason was taught that Pilgrims to America were persecuted Christians seeking adventure and made treaties with Natives, while Derek was taught about socioeconomic nuances of 17th-19th Europe leading to incentivized settlements particularly attractive to hardcore religious extremists who then waged relentless war on the Native Americans.

There are no Universal Lies that everybody was taught, except for Dark Matter.