Regroup can successfully integrate with many Single Sign-On systems including but not limited to: 

LDAP, OpenLDAP, SAML, CAS, and Shibboleth.

As an example, Oklahoma City Community College has chosen to enable LDAP via Regroup so that students can log in with their OCCC provided credentials. 

If you are interested in connection to Regroup through SSO here is an article that explains the requirements: CLICK HERE

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