Education is a descriptive endeavor (describing what is), whereas indoctrination is normative (describing what should be)
A subtle shift from describing the world as it is to what needs to change often signals the abandonment of pedagogical intent for an intent to control.
When ideological views become entangled in education the ability to discover truth is diminished or destroyed entirely. paulgraham.com/identity.html
So how does one keep one's identity small? Avoid politics like it's a contagious disease. Avoid political media.