ClassLink delivers instant access to all your web resources from any device. You can launch educational applications such as I-Ready, Stem Scopes, Prodigy Math, etc. right in your browser. This is where our students access all their educational digital resources to provide academic support. Our district website to ClassLink is provided below. Students, please use your login information that is provided by your teachers and your computer lab (This system is set up for student and staff accessibility only). Please note the username is your first name . last name. If you put @cbisd.com, it will not log you in.