LSDA 2018 - 2019 Season begins September 4 and continues thru May 25, for Amarillo, Borger, Dumas, Hereford, Panhandle, and Plainview. Dalhart 2018 - 2019 Session begins September 4 and continues thru May 30. If you have already taken classes with us before and have not set up your account, all you need to do is retrieve you password to sign into your account. Your email address associated with your original registration serves as your login information. Email addresses can be updated at any time in your personal online account.