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Students in grades 9-10 and 11-12 face different topic weightings in the iHOSA ATC Biology and Chemistry exams. This guide breaks down the 2027 Division I and II differences to help you allocate study time effectively.
HOSA organizes its 50+ competitive events into three tracks: ATC (Foundational Studies, exam-style), CCE (Professional Studies, clinical case-based), and BCE (Public Welfare Impact, year-long…
