Request for Proposals Hallsville Independent School District Hallsville ISD is requesting proposals for Special Education Services. Details are provided at our website –https://www.hisd.com/purchasing. All responses will be accepted until the final date for responses of August 31, 2027 to Kathy Bradford – kbradford@hisd.com or 311 Willow Street, Hallsville, TX 75650 or through the Ion Wave HISD Bidding System, found at the website listed above.