EASTBROOK COMMUNITY SCHOOLS South Elementary Staff Classroom Page First Grade National Geographic Mrs. Holder's Page First Grade Our first grade staff are here to serve you and your children. Martha Baker 1st Grade Teachermarbaker@eastbrook.k12.in.us Marilyn Holder 1st Grade Teachermholder@eastbrook.k12.in.us Julie White 1st Grade Teacherjuwhite@eastbrook.k12.in.us