I'm pleased to welcome you to Kathryn Sue Simonton Elementary School, home of the Stallions! With an emphasis on a character education, Simonton Elementary serves more than 530 students in San Tan Valley. The school is one of five elementary schools in the J.O. Combs Unified School District serving grades K-6th. Simonton Elementary is located within the beautiful neighborhood Castlegate just southwest of the Superstition Mountains. At Simonton Elementary, we emphasize putting students at the center of learning, and firmly believe that every student deserves the best education every day.