Generally speaking, no. As a co-tenant, you wouldn't have the same rights that a landlord would for evicting a tenant based upon illegal drug usage or other illegal activity. Your rights to get out of the lease would depend upon the language of your specific lease.
Frank W. Chen has been licensed to practice law in California since 1988. The information presented here is general in nature and is not intended, nor should be construed, as legal advice for a particular case. This Avvo.com posting does not create any attorney-client relationship with the author. For specific advice about your particular situation, please consult with your own attorney.
That's all good information to get the roommate evicted, but will not help you to break the lease. Her behavior is independent from your desire to leave the complex.
A proper response would require a thorough investigation into the history and background of this relationship. The information provided above is just that, information, to be used as you see fit.