The Grinnell-Newburg Community School District’s Reconsideration of Instructional Materials Committee unanimously decided that Jeannette Walls’s memoir “The Glass Castle” will remain in Grinnell-Newburg High School’s (GHS) ninth-grade English curriculum with alterations. This decision was reached in a closed-door deliberation following the committee’s second public session on May 3. The alterations presented by the committee include.