Gilbert Academy, a defunct private preparatory school for African Americans in Louisiana
Gilbert School, a privately endowed secondary school that serves as the public high school for Winchester, Connecticut
Shipsedit
USC&GS Gilbert, a survey ship of the United States Coast and Geodetic Survey
US FWS Charles H. Gilbert, a fisheries research ship of the United States Fish and Wildlife Service and (as NOAAS Charles H. Gilbert) the National Oceanic and Atmospheric Administration