Check this admissions calculator out! 
http://www.prepscholar.com/sat/s/colleges/Cal-Poly-Pomona-SAT-scores-GPA
It shows you Cal Poly’s average GPA, ACT, SAT, etc and you can actually check your chances of admission.
(Works for any college your daughter may have applied to! Just google the university name + prepscholar and you’ll see the different criteria)