Dalhart Independent School Supt 315 Rock Island Ave Dalhart, TX 79022 Phone : (806) 244-7811 Business Category Schools Schools-Public Dalhart--dalhart Independent School District, Dalhart Independent School District, Central Administration Office, Superintendents Office Dalhart, TX 79022 Phone : (806) 244-7811 Business Category Schools Administration Of Educational Programs Schools-Junior High Schools-Public Government Offices & Public Schools