If you have above average grades and test scores, you're likely to get into Chico State. This member of the California State University System accepts about 80% of applicants. In the graph above, the green and blue dots represent accepted students. The majority of students who got in had GPAs of of about 2.8 or higher, SAT scores (CR+M+W) of 1350 or higher, and ACT scores of 18 or higher. Nevertheless, some students with scores and grades that seem to be on target for Chico State do get rejected. You'll notice some red (rejected students) mixed in among the blue and green.
The admissions process for the Cal State System is less subjective than that for the University of California System. The Cal State process is not holistic. Except for EOP students, applicants do not need to submit letters of recommendation or an application essay, and extracurricular involvement is not part of the standard application. Thus, the reason why an applicant with adequate scores and grades would be rejected tends to come down to a couple factors such as insufficient college preparatory classes or an incomplete application.
To learn more about the California State University at Chico, high school GPAs, SAT scores and ACT scores, these articles can help: