Methodology & data sources: Admissions data from CSU Tableau Applicant Origins(applications, admissions, and enrollment by source high school, 2021–2025). A-G completion data from CDE Adjusted Cohort Graduation Rate files(count of graduates meeting UC/CSU A-G requirements). Limitations: A-G data only covers public and charter schools — private schools show “N/A” on A-G views. Some schools have <5 applications in a given year; CSU suppresses small cell counts. Region average line includes only schools with 50+ applications to that campus that year. Year labels are entering-class fall (e.g., “2025” = students starting Fall 2025).