School Atmosphere is an important game mechanic influenced by the players actions. It was implemented in Pre-Alpha 0.2.4, but was very limited. In Pre-Alpha 1.0.0, the effects were expanded.
The default state.
The school loses half it's color, music changes, students have a frown, run a bit faster, and react a bit faster to murder.
The school is black and white, music changes, students hold their arms to their chests, run much faster, and react much quicker to murder.