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St. Pius X St. Matthias Academy

  • Private
  • Los Angeles
  • 111 seniors
  • 611 students

St. Pius X St. Matthias Academy is a private high school in Los Angeles County (Downey Unified) with 111 seniors. In fall 2025, 75% of its 52 University of California applicants were admitted, compared with a county median of 76%. Its students applied most often to UC Irvine (UCI), UC Los Angeles (UCLA), and UC San Diego (UCSD).

Year

UC admit rate

75%

39 of 52 applicants, fall 2025

County median 76%

Seniors admitted to a UC

35%

39 of 111 seniors

County median 30%

Seniors who applied to UC

47%

52 of 111 seniors

County median 37%

UC Los Angeles (UCLA) admit rate

8.1%

3 of 37 applicants, fall 2025

CA applicants 9.6%

UC Berkeley (Cal) admit rate

16%

4 of 25 applicants, fall 2025

CA applicants 13%

Campus by campus, fall 2025

The share of this school's applicants each campus admitted, beside the campus's rate for everyone else. Hardest campus first.

University of California

St. Pius X St. Matthias Academy applicants did better than all California applicants at 0 of 9 campuses, about the same at 7 and worse at 2.

  • Los AngelesAbout the same

    8%

    3 of 37 admitted

    This school8%All CA10%

    Admitted students' average GPA — (all applicants 3.85)

  • BerkeleyAbout the same

    16%

    4 of 25 admitted

    This school16%All CA13%

    Admitted students' average GPA — (all applicants 3.92)

  • Irvine8 pts lower

    15%

    6 of 41 admitted

    This school15%All CA22%

    Admitted students' average GPA 4.19 (all applicants 3.74)

  • San DiegoAbout the same

    28%

    8 of 29 admitted

    This school28%All CA25%

    Admitted students' average GPA 4.25 (all applicants 3.81)

  • Santa BarbaraAbout the same

    35%

    9 of 26 admitted

    This school35%All CA32%

    Admitted students' average GPA 4.22 (all applicants 3.68)

  • Davis4 pts lower

    33%

    4 of 12 admitted

    This school33%All CA37%

    Admitted students' average GPA — (all applicants 3.56)

  • Santa CruzAbout the same

    71%

    10 of 14 admitted

    This school71%All CA71%

    Admitted students' average GPA 4.12 (all applicants 3.89)

  • RiversideAbout the same

    88%

    23 of 26 admitted

    This school88%All CA87%

    Admitted students' average GPA 3.83 (all applicants 3.74)

  • MercedAbout the same

    94%

    17 of 18 admitted

    This school94%All CA96%

    Admitted students' average GPA 3.71 (all applicants 3.67)

Fall 2025. A student admitted to several campuses counts once at each one. All CA is the campus’s admit rate that fall for applicants from every California high school. Within 3 points counts as about the same. GPA is the UC-calculated GPA (weighted, capped).

California State University

St. Pius X St. Matthias Academy applicants did better than the campus overall at 1 of 5 campuses, about the same at 2 and worse at 2.

  • Long Beach27 pts higher

    74%

    46 of 62 admitted

    This school74%Overall47%

  • Pomona12 pts lower

    61%

    19 of 31 admitted

    This school61%Overall74%

  • Fullerton13 pts lower

    74%

    39 of 53 admitted

    This school74%Overall87%

  • Dominguez HillsAbout the same

    94%

    16 of 17 admitted

    This school94%Overall91%

  • Los AngelesAbout the same

    94%

    30 of 32 admitted

    This school94%Overall92%

Fall 2025. A student admitted to several campuses counts once at each one. Overall is the campus’s admit rate for all its applicants, from federal IPEDS data (fall 2023, the latest published). Within 3 points counts as about the same.