How many students did Laura Ingalls Wilder teach?

Laura Ingalls Wilder never officially taught in a school. She did, however, help her mother with teaching at the schoolhouse in De Smet, South Dakota, when she was 15.

While there's no exact number of students she specifically taught, we know that her mother taught 30-40 students at the schoolhouse. It's likely Laura assisted with teaching a small number of these students, but it's impossible to determine the exact number.