Also note that Cal Poly SLO uses 9-11th grades in their GPA calculation with a 8 semester cap on Honors points (only CSU that includes 9th grades) so use the Rogerhub calculator and include 9th grades to get the SLO GPA = Capped weighted from the calculation.
SLO 2021 Freshman admit GPA: 4.00-4.25 for the Business School and a 27.09% acceptance rate.