It is committed to teaching a Christian worldview in all subject areas,[1] and upholds biblical inerrancy in its statement of faith.

[2] It claims to be the "fastest growing classical, Christian school" in the United States.

[1] The Trinity Knights compete in the Heritage League of the CIF-SS.

[5] Former San Francisco Giants catcher Trevor Brown is coach of the baseball team.

[6] In 2021 and 2022 Trinity was fined by the Los Angeles County Department of Public Health for not following COVID-19 regulations: once for allowing maskless students to engage in outdoor activities without adequate physical distancing, and three times for refusing access to a health inspector.