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