It is easy to point fingers at teachers or follow other traditional stereotypes about government institutions in general, but the reality often doesn't match those narratives.

There is also a stereotype that government is always inefficient and technologically backwards. And while that is sometimes true due to the budgeting factors that you have mentioned and wages that are a fraction of those in the private sector, there are public sector organizations that are ways ahead of the private sector technology wise. But people are going to believe what they want to believe...