The School Room is one of six shelters available in Road to Vostok, and it's arguably the hardest one to unlock. The condition is tied to finding three Oil Samples that are all located on the Terminal map. The Terminal is in Vostok, which is a permadeath zone. In simple words, your game is truly over if you die.
Let's figure out how you can find these samples to get yourself a shelter in Vostok.
