Login. 2900 El Salido Pkwy., Cedar Park, TX 78613. 2100 Sun Chase Blvd., Cedar Park, TX 78613. Phone: 512-570-3100 Phone: 512-570-2300. The Board formally adopted the calendar in December of 2019. Staff Login. 1515 Little Elm Trail, Cedar Park, TX 78613. Phone: 512-570-5500 | Fax: 512-570-5505 Please check back regularly for any amendments that may occur, or consult the Leander Independent School District website for their 2020-2021 approved calendar.You may also wish to visit the school district homepage to check for any urgent or last-minute updates that … Phone: 512-570-6300 | Fax: 512-570-6305 11501 Staked Plains Dr., Austin, TX 78717. 1501 N. Lakeline Blvd., Cedar Park, TX 78613. 1061 Collaborative Way, Leander, TX 78641. 100 N. Vista Ridge Blvd., Cedar Park, TX 78613. 9500 McNeil Dr., Austin, TX 78750. Leander Independent School District » Calendar. 424 Rusk Bluff Avenue, Leander, TX 78641. Phone: 512-570-3900. 2420 Zeppelin Dr., Cedar Park, TX 78613. This page contains the major holiday dates from the 2021 school calendar for Leander Independent School District in Texas. Phone: 512-570-7700 | Fax: 512-570-7705 2020-21 Calendar . Staff 1001 Brushy Creek Rd., Cedar Park, TX 78613. 6500 Sitio Del Rio Blvd., Austin, TX 78730. Phone: 512-570-6500 | Fax: 512-570-6505 Phone: 512-570-3400 | Fax: 512-570-3405 Phone: 512-570-6900 | Fax: 512-570-6905 2020-21 District Calendar. Phone: 512-570-8100 | Fax: 512-570-8105 Phone: 512-570-6000 | Fax: 512-570-6005 During the creation of the 2019-20 academic calendar, the Board directed the administration to create a 2020-21 draft calendar. Phone: 512-570-5400 | Fax: 512-570-5405