9 letters · 17 points in Scrabble
noun a school for students intermediate between elementary school and college; usually grades 9 to 12
noun athletic facility equipped for sports or physical training
originFrom Latin gymnasium, from Ancient Greek γυμνάσιον (gumnásion, “exercise, school”), from γυμνός (gumnós, “naked”), because Greek athletes trained naked.
Etymology from Wiktionary, CC BY-SA 3.0