Create an illustration of a cheerful female teacher in a classroom setting. She is standing next to three young students. The teacher has short brown hair and is wearing a long beige dress. She holds a pointer in one hand and a stack of books in the other. The three students, two boys and a girl, are smiling. One boy has short black hair and a green backpack, while the other has wavy brown hair and a striped shirt. The girl has straight black hair and is wearing a blue skirt. The classroom features a chalkboard filled with shapes and numbers, a large window with a view outside, a clock on the wall, and a desk with books, a pencil holder, and an apple. The overall color scheme is bright and inviting, enhancing a friendly school atmosphere.