The ACS Orange County High School First Year Chemistry Exam will be held on Saturday April 25, 2026, from 9:00 AM to 11:15 AM in McCarthy Hall, California State University Fullerton, 800 N State College Blvd, Fullerton, CA 92831.
Students may click on the First Year Exam Letter and FAQ buttons below for more information on how to participate in this year’s Exam.
Teachers (and not students) should fill out the Registration Form to register their students to take the Exam this year.
Registration opens on Tuesday, April 1, 2025, at 10:00 AM, and closes on Friday, April 18, 2025, at 11:59 PM. Late registrations will not be accepted.
Here is an example of a retired ACS 1st-year Exam, and the corresponding Answer Key.
If you have questions, contact Stephanie Nobles (edchair1@ocacs.org).
Click here for general information about the annual High School Exam and the High School Awards Banquet, as well as to find links to past events since 2014, including Award-winners’ names and photographs.