It is possible to give Haverford and Bryn Mawr College students access to your courses. If a TriCo All Tri-College (Bryn Mawr and Haverford) students enrolled in a Swarthmore course receive Swarthmore usernames and passwords that they use to log into Swarthmore's Moodle site. If a Tri-Co student is officially enrolled in your course, they will automatically be added to your Moodle course roster. To access your course, the TriCo Tri-Co student should log into their home Moodle site and then click the "Swarthmore College Moodle" link under the "Network Servers" block to access their Moodle courses at Swarthmore.Swarthmore's Moodle site (https://moodle.swarthmore.edu) with their Swarthmore username and password.
To add a Haverford or Bryn Mawr student that who is not officially enrolled in a Swarthmore class, have the student log into their their home Moodle site and then click the "Swarthmore College Moodle" link under the "Network Servers" block. This will automatically create a Swarthmore Moodle account and you can enroll the student per the instructions on this page: How do I add or remove enrollments?you can turn on guest access to your course. Most faculty set up a guest password to protect the contents of their Moodle course. For more information, see Making a course available to students