Several Dallas ISD schools will be polling sites for the Nov. 8 general midterm election. Because community members will be allowed to enter the schools to vote, the Board of Trustees approved establishing Nov. 8 as a professional development day for teachers and a student holiday. This measure will ensure the safety and wellbeing of students and staff while the campuses are open to the public for the election. Custodians will be at the schools on Election Day; however, teachers and other campus-based staff and Student Transportation staff will conduct assigned professional development. The district’s administrative offices will remain open…