For USC, the previous frosh profile is at https://admission.usc.edu/wp-content/uploads/Freshman-Profile.pdf . USC historically has emphasized SAT/ACT scores more relative to GPA than UCs, but has gone test optional for this coming application year.
Your 4.0 unweighted GPA is at the upper end, but your SAT/ACT scores are in the midrange. So your SAT/ACT scores may neither help nor hurt you at USC.