$1 Clearance Sale on High School Musical Party Supplies, High School Musical Party Favors and Party Decorations. Get most every item for $1.00 or less! Celebrate with your friends at East High. Invite Gabriella, Troy, Sharpay, Ryan, Chad and Taylor, to your next party and it will rock like no other! This theme has been discontinued by the manufacturer and the listed supplies are only available while supplies last.