Looking for logging into the Extension School site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Extension School site. After that you can login as usual with your login credentials.
https://www.extension.harvard.edu/login
https://www.extension.harvard.edu/registration-admissions/course-registration
https://exts.epfl.ch/
https://exts.epfl.ch/courses-programs/applied-data-science-machine-learning
https://exts.epfl.ch/faqs
https://www.facebook.com/HarvardExtension/
https://extensiononline.tamu.edu/secure_index.php
https://extension.ucsd.edu/
https://epflextensionschool.recruitee.com/
https://en.wikipedia.org/wiki/List_of_alumni_of_the_Harvard_Extension_School
https://extension.ucdavis.edu/online-learning
https://www.yelp.com/biz/harvard-extension-school-cambridge
https://www.ucsc-extension.edu/login