Wud IT B HARAM IF i share locker room for changing wit same gender?

Is it haram if i share da locker room wit other girlz?? 2 change 4 P.E. @ mi skool?? Also wat wud u do if governor of california arnold shwarzenneger pes a law (bcuz hez tryin 2) allow tranual males change in da same locker room as girlz...n allow women change wit males? i heard dis from da newz so many times