Education - As enacted, makes revisions to law relative to safety in school buildings, policies and procedures regarding grades, and the use of performance goals and measures for a public school or LEA; requires professional licenses issued by the state board of education to be valid for a period of no less than eight years; prohibits the department of education from requiring a school or LEA to submit the school's or LEA's school improvement plan to the department for approval more than once every three years. - Amends TCA Title 49.