dr. amanda alexander's first full year. she previouslyerved as the head of elementary education in the system. her predecessor left under a cloud of controversy. high schoolers were graduating with more absences than allowey and mere not prepared. this year begins with its own issues. a news 4 i-team investigation uncovered nearly 1,000 teachers who have not been officiay licensed to teach. >> all of our teachers have passedackground checks all of our teachers are regularly evaluated by their administrators, often formally and informally. nalot of our teachers engage in rigorous profess development opportunities, and in those ways, we're able to ensure teality. >> rep they were supposed to have at least applied byr earliehis month. >> by august 1st, and the vast majority of our teachers have met that deadline. >> reporter: she says they're working with t union and the state school authority on those who haven't. derrick ward, news4. >>> news4 today has you covered on everything back to schoolti st at 4:00 a.m. we'll be keep