Education - As enacted, requires the department of education to establish enrollment deadlines for voluntary pre-kindergarten programs so that at-risk students who will be four years old by August 15 must be enrolled by the beginning of the school year and students who are four-year-olds who do not have a disability or who meet the qualifications for enrollment at three years of age must be enrolled by August 30. - Amends TCA Title 49. HB0623 has been assigned Public Chapter Number 192 by the Secretary of State.