A highly detailed, hyper-realistic pencil sketch of a classroom filled with late-teen students, laughing and celebrating with balloons and streamers hanging across the room. Some students are seated, others standing, immersed in joy. The composition follows the rule of thirds, capturing the lively atmosphere. The camera angle is Wide Shot, Eye-Level, showing the full classroom layout and dynamic energy. Lighting is chiaroscuro, contrasting bright celebration with subtle shadows hinting at an approaching shift. The texture features smooth blended shading with fine, sharp lines. The color tone is monochrome, high contrast, strictly true black-and-white without stylization. The image is ultra-high-resolution, sharply rendered, with realistic detail in facial expressions, decorations, and clothing, avoiding any anime or cartoon-like elements, Highly detailed pencil sketch of a lively classroom filled with teen students. Students are engaged in laughter and celebration. Balloons and streamers decorate the room. Composition follows the rule of thirds. Wide shot at eye level shows the entire classroom. Chiaroscuro lighting contrasts celebration with soft shadows. Smooth blended shading with sharp lines maintains realism. Monochrome with true black-and-white