Promotion cutoffs and participation counts across all four divisions. Data from the official USACO results page.
The bronze division had 2461 total participants, of whom 1883 were pre-college students. All competitors who scored 700 or higher on this contest are automatically promoted to the silver division.
The silver division had 2000 total participants, of whom 1545 were pre-college students. All competitors who scored 750 or higher on this contest are automatically promoted to the gold division.
The gold division had 856 total participants, of whom 627 were pre-college students. All competitors who scored 850 or higher on this contest are automatically promoted to the platinum division. The list of USA pre-college students who were promoted
The platinum division had 255 total participants, of whom 199 were pre-college students. Results for top scorers are here. Congratulations to all of the top participants for their excellent results!