Board of Education; develop and adopt policies relating to supporting Students with Limited and/or Interrupted Formal Education (SLIFE). Directs the Board of Education to develop and adopt policies relating to supporting Students with Limited and/or Interrupted Formal Education (SLIFE students) in staying in and graduating from, or otherwise completing, high school in the Commonwealth and to develop formulas for calculating high school drop-out rates and graduation rates in the Commonwealth that do not include any SLIFE student who dropped out if such student had not yet been enrolled in a public high school in the Commonwealth for at least two semesters.