Do you have an idea of how your 88.4% translates to a 4.0 scale? Depending upon your schools scale, this may be anywhere from a 3.0-3.5 unweighted. Again depending upon the scale, the UC’s require a minimum Capped weighted UC GPA of 3.4 for eligibility and all the campuses you listed have average Capped weighted UC GPA’s above 4.0.
As stated by @worriedmomucb you really need to get an idea of where your GPA stands for these campuses.
Here are the 25th-75th percentile of the Capped weighted UC GPA for admitted students:
| Campus | UC Capped weighted 25th-75th percentile for admitted freshman | Overall Acceptance Rates/International Acceptance rates |
|---|---|---|
| UC Berkeley | 4.15-4.29 | 11%/ 3% |
| UC Davis | 4.00-4.26 | 42.1%/ 51% |
| UC Irvine | 4.04-4.27 | 28.8%/ 43% |
| UCLA | 4.20-4.30 | 9%/ 6% |
| UC Merced | 3.41-4.04 | 91.7%/ 81% |
| UC Riverside | 3.66-4.15 | 76.4%/ 85% |
| UC San Diego | 4.10-4.28 | 26.8%/ 23% |
| UC Santa Barbara | 4.13-4.29 | 32.9%/ 30% |
| UC Santa Cruz | 3.87-4.22 | 65%/ 81% |
For several of the UC campuses, the International acceptance rate is high but yield is very low since most International students cannot afford to attend.
As stated, the UC’s do a holistic application review so GPA alone will not determine your chances. Just note, that the UC’s have a mandated cap on OOS and International enrollment so it will be very competitive.