Individuals can join a SIG at any time. Individuals can join/renew with the SIG when they join/renew with AERA, but any AERA member can also add the SIG to their membership at any time. To do so, they need to go to www.aera.net, click “Login” at the top/center of the page, and then go to their My AERA page (the link is also at the top of the page). On the My AERA page, they should scroll down to the “Membership” section and use the “Purchase Additional SIG Memberships” link to add the Research in Mathematics Education SIG to their AERA membership. The membership team can also be reached at members@aera.net or 202-238-3200.