<p>None of these are “safeties”, but all have strong computer science programs and admit more students than the programs already on your list:
University of Washington
University of Illinois at Urbana-Champaign
Purdue
University of California, San Diego.</p>
<p>The University of California system is in serious financial trouble and dramatically increased acceptances for international students last year, so you may find that your chances at all UC schools are improved.</p>