The certificate awarded to Irish students who pass the state examinations at the end of the third year of secondary school.

plural of junior higher

(US) A student at a school that includes grades 6, 7 and 8; a preadolescent.

plural of junior high school

(education) A school for children who have completed elementary school or grade school, but are not yet old enough for high school. In the US, it often includes grades 7 and 8, and possibly also 6 or 9.

A commissioned officer of the United States Navy whose rank is above an ensign's and below a lieutenant, or a corresponding rank in other navies.

A fictional guidebook with detailed information about all subjects in existence.

plural of lieutenant junior grade