Instructional Assistant for Head Start/Preschool. . Remainder of the 24-25 school year, 7.5 hours each day. . Williamstown Independent Schools. Job Description- Head Start and/or Preschool Instructional Assistant. TITLE. Instructional Assistant. QUALIFICATIONS. High school diploma or GED. Prior experience working with young children in an early childhood setting (Head Start, preschool, licensed daycare) is preferred. Successful completion of CDA...