Southwest ISD Southwest ISD Search | Advanced Search | New Members | Coupons and Discounts | All Categories Other >> Schools >> Public Southwest ISD 11914 Dragon LaneSan Antonio, TX 78252 | View on Google Maps (210) 622-4300 Visit Site Member since: 1957 If your business isn't here, please contact our Membership Department at (210) 229-2103 or 2107 for information about joining.