R.F. Pettigrew Elementary School is located in the Southwest part of Sioux Falls near 53rd Street and Grinnell Avenue. The school is a 4-section K-5 school and is an Early Childhood site. It opened its doors in 2009 and now boasts an enrollment of nearly 750 students. Architecture Incorporated many of the latest educational trends into the design of this building to improve the quality of education for both staff and students.