Global Positioning System

Gunner's Primary Sight, a part of the targeting and fire-control system on the M1 Abrams tank

GPS Schools, an association of private boys' schools

Great Public Schools Association of Queensland Inc.

Girls Preparatory School, an all-girls prep school in Chattanooga, Tennessee

Gold Piece, a form of currency used in some computer and video games

Generalized Processor Sharing

Gilbert Public Schools, a school district in Gilbert, Arizona

GNAT Programming Studio

GPS (band), a progressive rock band

General Problem Solver

Grosse Pointe South High School, a public high school in Grosse Pointe, Michigan