Erasures with corrections on the chalk drawing - mistakes are made but can and must be corrected. Teacher is cross and yelling, knows he can do no wrong, and will be fully backed by his superiors. All, but the teacher, have no eyes. They cannot see what's going on but they will support the teacher no questions asked. Visionless administrators embrace in their usual self-congratulatory fashion for accomplishing nothing except fending off yet another parent complaint.
Youth is nude, denoting vulnerability, an easy target for abuse, easy for the school to scapegoat.
Here there is the four adults against the one child. Center of 'A' is formed by reflected light through window behind viewer. Reflecting, as in looking back, see silhouettes of children who have passed through a similar door of abuse. My son had made the following statement at the time which will explain the puzzling puzzle pieces. At the beginning, I was a perfect fit in the school.