UIUC frosh profile is at https://admissions.illinois.edu/Apply/Freshman/profile .
For the Grainger College of Engineering:
ACT Score: 32-35
SAT Score (no writing): 1430-1540
TOEFL: 106-113
GPA: 3.73-4.00
Note that CS, along with ME and BioE, are the most selective majors in the UIUC engineering division. So UIUC is an admission reach for you with a 3.45 GPA and 1450 SAT.
Other colleges like Purdue and Washington should also be considered reaches for CS for you.
Also, can you and your parents afford all of the colleges on your list?