West Northfield School District 31 is an elementary school district with schools located in Northbrook, Illinois and Glenview, Illinois. Schools Henry Winkelman Elementary School Winkelman School was named after Henry Winkelman, the original janitor. Stanley Field Middle School Field School was named after Stanley Field, the nephew of Marshall Field. Stanley Field Middle School as well as Winkelman school were known for their blue ribbon in 2003. External links Official District 31 Site Northbrook, Illinois Glenview, Illinois School districts in Cook County, Illinois