CPS Teachers can now request to have web sites unblocked or blocked, online.  Click this link

<a href="http://its.cps.k12.il.us/WebForms/ICF_Request.aspx" target="_blank">http://its.cps.k12.il.us/WebForms/ICF_Request.aspx</a>

and sign in with your CPS user name and password, choose <span style="color: #ff9900">open </span>or <span style="color: #ff0000">block </span>an internet site and complete the form.

It will be interesting to hear if this works!