Quiet Classroom High-Contrast Black-and-White Portrait

Create a high-contrast black-and-white portrait in a quiet classroom, using the uploaded image as the reference. Have the subject lean casually on a wooden school chair with his legs crossed. Dress him in a navy blue sweatshirt, beige chinos, and black-and-white Converse sneakers, and give him a calm, neutral expression. His left arm rests on the desk while his right hand hangs casually at his side. Use an off-white classroom wall with visible wear as the background. Pin papers, photographs, and sticky notes to it in a grid. One sheet above his head must clearly display the printed word “Silence.” Let sunlight enter sharply from the right, casting a triangular beam of light and the subject's shadow on the wall. Keep the overall contrast dramatic, cinematic, and natural, with a warm late-afternoon tone.