Teachers, Principals and School Personnel - As enacted, increases from 20 to 30, the maximum number of consecutive days a substitute teacher may substitute for a regular teacher on leave without having to possess a teaching license; requires the six weeks of paid parental leave for eligible employees to be taken either consecutively or non-consecutively based on certain criteria. - Amends TCA Section 8-50-814; Title 49, Chapter 6 and Title 49, Chapter 3, Part 3.