The story of "Hello, My School" revolves around Mariam's first day at school, a journey that begins with a mixture of excitement and anticipation. Mariam leaves home for school, eager to do her best and become the brightest student, hoping for a year filled with hard work and success. She begins to explore her new world, from meeting her teacher and friends, attending classes with enthusiasm and interest, to participating in fun activities like drawing and coloring, and enjoying recess, playing, and chatting under the shade of a tree in the schoolyard. The story concludes with the end of the school day and Mariam's excited return to her parents, eager to share her joy and new friends, expressing her happiness with the words, "Hello, my school!"