A grand architectural setting frames a gathering of dozens of figures, each engaged in animated discussion, writing, reading, or deep thought. At the center, two men in flowing robes stride forward side by side, one gesturing upward and the other extending his hand horizontally, surrounded by a semicircle of attentive listeners. The scene unfolds beneath a vast coffered vault, with arches receding into the distance and a patch of blue sky visible through the farthest opening, creating a powerful sense of depth.

To the left, a group of figures cluster around a man writing in a book, while others consult tablets, scrolls, or instruments, their postures and gestures varied and expressive. On the right, a collection of men in colorful garments bend over geometric diagrams on a slate, while others stand in conversation or contemplation. The lower steps are crowded with seated and reclining figures, some absorbed in their work, others lost in thought or debate, their faces rendered with careful attention to individuality.

Marble statues in niches flank the composition, their pale forms contrasting with the vibrant robes of the living philosophers below. The light falls evenly across the scene, illuminating the architecture and casting gentle shadows that model the figures and emphasize the clarity of their forms. Raphael uses a harmonious palette of blues, reds, ochres, and greens, with crisp outlines and smooth transitions, characteristic of High Renaissance painting.

Small details abound, from the intricate patterns on the floor to the subtle interactions among the figures, each contributing to the sense of intellectual energy and exchange.