Case study of the repurposing of Hawthorne Elementary School in Ottawa Kansas to a house of worship. The school was built and opened in 1926, served as an elementary school for 81 years, was closed in 2007, and sold to Grace Community Fellowship. The focus for this paper will be on the conversion of the existing gymnasium and attached stage platform to the main worhip space for Grace Community Fellowship. Aspects discussed include the architectural acoustics, mechanical noise control, and sound system integration.